Pearson 34
Built 1983–1986 by Pearson Yachts
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About the Pearson 34
Researched from public sources for this model. Any individual boat may have been modified or repowered — confirm before relying on any figure.
- Built
- 1983–1986
- Builder
- Pearson Yachts
- Designer
- William Shaw
- Length
- 33.79 ft
- Waterline
- 28.12 ft
- Beam
- 11.17 ft
- Draft
- 5.92 ft
- Displacement
- 11,240 lb
- Ballast
- 4,250 lb
- Hull / keel
- fin keel
- Rig
- sloop
- Propulsion
- inboard
- Fuel
- 22 gal
- Water
- 50 gal
- Water heater
- 6 gal · standard
- Bow thruster
- not fitted
- Stern thruster
- not fitted
- Steering
- pedestal cable · Edson
Tank capacities — where the figures come from
-
Fuel 22 gal
“Fuel 22” — spec database, dan.pfeiffer.net · “FUEL CAPACITY 22 Gal.” — builder (1982 (Rev D, Oct 13 1982)), dan.pfeiffer.net · “Fuel Capacity 22 gals. (83 l)” — brochure, pearsonyachts.org · “22 gallon aluminum fuel tank with cockpit fill” — owner's manual (1985 models (sheet dated 8/1/84)), dan.pfeiffer.netPearson's own documents agree: 1982 preliminary particulars, the sales brochure spec page and the 1985-model standard-equipment sheet in the owner's manual (22 gal aluminium tank, cockpit fill).
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Water 50 gal
“Water 50” — spec database, dan.pfeiffer.net · “FRESH WATER CAPACITY 50 Gal.” — builder (1982 (Rev D, Oct 13 1982)), dan.pfeiffer.net · “Fresh Water Capacity 50 gals. (189 l)” — brochure, pearsonyachts.org · “50 gals. 2 25 gal. flexible tanks” — owner's manual, dan.pfeiffer.netBuilder documents agree on 50 gal, in two 25 gal flexible tanks. The owner's manual tank plan notes that one water tank was moved under the quarter berth after hull #8.
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Holding unknown
The builder's Oct 1982 feature sheet and 1985 standard-equipment sheet list a holding tank as standard but give no capacity.
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Water heater 6 gal · standard
“Hot/cold pressure water system with six gallon hot water heater” — owner's manual (1985 models (standard-equipment sheet 8/), dan.pfeiffer.net · “Six Gallon Water Heater (fresh water system diagram)” — owner's manual, dan.pfeiffer.net · “HOT/COLD PRESSURE WATER WITH SHOWER: TBA (optional equipment)” — builder (1982 (effective Dec 2 1982)), dan.pfeiffer.net · “The P-34 shower is optional (part of the hot/cold pressure water option)” — builder (1982 (memo 10-25-82)), dan.pfeiffer.net · “Hot and Cold Pressure Water w/Shower (optional column)” — builder (1982 (Rev D 10-13-82)), dan.pfeiffer.netHot and cold pressure water, heater included, was a factory option on the first (1983–84) boats (Pearson's Oct 1982 feature sheet, Dec 1982 option list, internal memo), so some may have none. It was standard from the 1985 model year (8/1/84 owner's manual sheet); that sheet and the plumbing diagram give a 6 gal heater, heating method not stated.
Tanks are often replaced or added on older boats — check the tank labels or a survey for yours.
Thrusters and steering — where this comes from
-
Bow thruster not fitted
“MACHINERY ... 16 HP Diesel 2/Alarms etc. ... Two Blade Solid Prop [optional:] Refrigeration (Adler-Barbour) ... Folding” — builder (1982), dan.pfeiffer.net · “PEARSON 34 OPTIONAL EQUIPMENT ... BRAKE FOR STEERER ... PEDESTAL GUARD ... FOLDING PROPELLER ... SHIPPING CRADLE” — builder (1982), dan.pfeiffer.netPearson's standard and optional feature sheet (rev. D, Oct 1982), the Dec 1982 optional-equipment price list and the 1985 standard-equipment sheet contain no thruster. The reverse page of the price list wasn't seen.
-
Stern thruster not fitted
“PEARSON 34 OPTIONAL EQUIPMENT ... BRAKE FOR STEERER ... PEDESTAL GUARD ... FOLDING PROPELLER ... SHIPPING CRADLE” — builder (1982), dan.pfeiffer.netThe same builder standard and option lists cited for the bow thruster offer no thruster.
-
Steering pedestal cable · Edson
“STEERING: Pedestal Type w/S.S. Destroyer Wheel (28") ... Emergency Tiller [optional:] Brake, Guard, Larger Wheel” — builder (1982), dan.pfeiffer.net · “Pedestal steerer with engine shift, throttle controls, pedestal guard and brake.” — builder (1985), dan.pfeiffer.net · “PEARSON 34 S-1233 ... CLASSIC PEDESTAL STEERER ... CHAIN & WIRE ROPE KIT ... ADJUSTABLE CROSSED WIRE IDLER ... RADIAL DR” — spec database, edsonmarine.com · “Steering: Edson pedestal with cable and radial drive system” — search excerpt (1984), boats.com · “Edson pedestal wheel steering” — search excerpt (1984), yachtworld.comBuilder sheets give pedestal wheel steering with emergency tiller as standard (brake and guard optional in 1982, standard by 1985). Edson's data sheet S-1233 for the Pearson 34 specifies an Edson pedestal with chain and wire to a radial drive wheel; two 1984 listings describe the same Edson system.
Thrusters and steering are often replaced — check the units on your boat before ordering parts.
Sources disagree on hp of original Universal — left blank rather than guessed.
Often called the 34-1 to distinguish it from the later, different 34-2. Keel/centerboard version offered (7.6 ft board down / 3.83 ft up, 11,750 lb, 4,660 lb ballast). Briefly revived around 1995 under Cal-Pearson. Engine hp values come from an owners' forum thread; sailboatdata only says Universal diesel. Hull construction unconfirmed: a forum thread gives conflicting owner statements on whether the 34-1 hull is solid or cored.
Engines fitted
-
Universal M-25 — diesel, single
standard
Sailboatdata lists a Universal diesel as original (model/hp not given); an owner of a 1984 Pearson 34 reports its original Universal M-25.Sources: sailboatdata.com · cruisersforum.com
-
Universal 16 hp diesel (model not stated) — 16 hp, diesel, single
standard
Another owner describes his Pearson 34's engine as a 16 hp Universal; year not stated.Sources: facebook.com
-
Yanmar 3GM (3GMD) — diesel, single
factory option
A 1985 Pearson 34 owner reports a Yanmar 3GMD; not stated whether factory or repower.Sources: justanswer.com
- Yanmar — 23 hp, diesel factory option
Boats of the same model can differ — check which engines yours actually has before ordering parts.
Generator
No generator on the Dec 1982 option list, the Oct 1982 feature sheets or the 1985 standard-equipment sheet.
Manuals and brochures online
- Brochure Pearson 34 sales brochure (page images incl. specifications page, Pearson Yachts Portal) — pearsonyachts.org
Hosted by the builder or an owners' association; they own the copyright.
Known problems for this model
-
Underpowered with stock engine engine
The stock 16 hp diesel is considered marginal against strong current or heavy chop; buyers in tidal areas look for boats with the larger 23 hp Yanmar.sailnet.com
Engines & parts
Universal M-25 / M-25XP / M-25XPB parts: good
Factory standard engine — you entered “Universal M-25”
Marinized Kubota blocks with plenty of parts support: the M-25 is based on the Kubota D850 and the M-25XP on the Kubota D950 (B7200 tractor engine), so many internal parts can be bought through Kubota/tractor channels for far less than marine prices. Kubota dealers need the block model/serial, which is often painted over, so cross-referencing can be hit or miss. Some marine parts (e.g., gear case cover) are no longer made.
Parts sources: Westerbeke / Universal (factory parts store), Kubota USA parts lookup
Common problems (2)
-
Discontinued marine parts and Kubota cross-reference engine
Owners struggle to cross Universal part numbers to Kubota numbers and find certain covers and marine-specific parts discontinued.forums.sailboatowners.com · ericsonyachts.org
-
Repower fit questions engine
Owners of older Catalina 30s ask whether an M-25XP drops in; it generally fits but couplers and mounts may differ.facebook.com
Maker’s service schedule (36)
| Engine oil & filter change M-25 / M-25XP (owner manual 200157) | 75 hrs or 1 yr | “Every 75 hours. At least once each season, or whichever comes first change engine oil and oil filter.” — manufacturer, c34.org |
| Fuel filters & water separator M-25 / M-25XP (owner manual 200157) | 100 hrs or 1 yr | “Every 100 hours. ... At least once each year, or whichever comes first change fuel oil filter and transmission oil.” — manufacturer, c34.org |
| Drive belts inspect / replace M-25 / M-25XP (owner manual 200157) | 100 hrs or 1 mo | “Every 100 hours. Or monthly, check V-belt tension. 1/2" deflection.” — manufacturer, c34.org |
| Raw-water pump impeller M-25 / M-25XP (owner manual 200157) | 1 yr | “Remove front cover of pump if system was drained for storage. Inspect rubber impeller, lightly lubricate pump impeller” — manufacturer, c34.org |
| Turn raw-water pump grease cup 1/2 turn M-25 / M-25XP (owner manual 200157) | 30 hrs | “Be sure water pump is lubricated by turning grease cup (if provided on your engine) clockwise 1/2 turn at 30 hour interv” — manufacturer, c34.org |
| Check mounts, cables, ground and fuel/water lines M-25 / M-25XP (owner manual 200157) | 100 hrs | “Check engine mounts bolts and lock nuts for looseness, and rubber for wear. ... Check all fuel and water lines for tight” — manufacturer, c34.org |
| Check engine/shaft alignment M-25 / M-25XP (owner manual 200157) | 1 yr | “Check engine and shaft alignment annually or if vibration is noticed during engine powering.” — manufacturer, c34.org |
| Engine oil & filter change M-25XPA / M-25XPA(C) (A-series, manual 200494) | 250 hrs or 1 yr | “Initial engine oil and filter change at 50 hours, then change both every 250 hours.” — manufacturer, c34.org |
| Fuel filters & water separator M-25XPA / M-25XPA(C) (A-series, manual 200494) | 250 hrs or 1 yr | “Initial change, then every 250 hours or once a year.” — manufacturer, c34.org |
| Transmission fluid change M-25XPA / M-25XPA(C) (A-series, manual 200494) | 300 hrs or 1 yr | “Initial change, then at 300 hours or once a season.” — manufacturer, c34.org |
| Exhaust mixing elbow inspection M-25XPA / M-25XPA(C) (A-series, manual 200494) | 250 hrs or 1 yr | “Initial check at 50 hours, then every 250 hours or once a year.” — manufacturer, c34.org |
| Engine pencil zincs M-25XPA / M-25XPA(C) (A-series, manual 200494) | 100 hrs or 1 yr | “EVERY 100 OPERATING HOURS OR YEARLY ... Inspect and clean zinc anode. Note the condition, then determine your own schedu” — manufacturer, c34.org |
| Drive belts inspect / replace M-25XPA / M-25XPA(C) (A-series, manual 200494) | 50 hrs or 1 mo | “EVERY 50 OPERATING HOURS OR MONTHLY ... Drive Belts: Inspect for proper tension” — manufacturer, c34.org |
| Raw-water pump impeller M-25XPA / M-25XPA(C) (A-series, manual 200494) | 50 hrs or 1 mo | “EVERY 50 OPERATING HOURS OR MONTHLY ... Raw Water Pump: Inspect impeller, check drive shaft security.” — manufacturer, c34.org |
| Air filter / intake silencer M-25XPA / M-25XPA(C) (A-series, manual 200494) | 100 hrs or 1 yr | “EVERY 100 OPERATING HOURS OR YEARLY ... Air Intake Filter: Remove and clean filter, replace if contaminated.” — manufacturer, c34.org |
| Coolant replacement & freeze-point test M-25XPA / M-25XPA(C) (A-series, manual 200494) | 500 hrs or 5 yrs | “EVERY 500 OPERATING HOURS OR FIVE YEARS ... Coolant System: Drain, flush and re-fill the cooling system” — manufacturer, c34.org |
| Valve clearance check / adjust M-25XPA / M-25XPA(C) (A-series, manual 200494) | 500 hrs or 5 yrs | “EVERY 500 OPERATING HOURS OR FIVE YEARS ... *Valve Clearances: Adjust valves.” — manufacturer, c34.org |
| Injector test / service M-25XPA / M-25XPA(C) (A-series, manual 200494) | 500 hrs or 5 yrs | “EVERY 500 OPERATING HOURS OR FIVE YEARS ... *Fuel Injectors: Check and adjust injection opening pressure and spray condi” — manufacturer, c34.org |
| Heat exchanger & oil cooler cleaning M-25XPA / M-25XPA(C) (A-series, manual 200494) | 1,000 hrs or 5 yrs | “EVERY 1000 OPERATING HOURS OR EVERY FIVE YEARS ... *Heat Exchanger: Remove the heat exchanger for professional cleaning” — manufacturer, c34.org |
| Clean glow plugs / check preheat M-25XPA / M-25XPA(C) (A-series, manual 200494) | 500 hrs or 5 yrs | “*Preheat Circuit: Check operation of the pre-heat. Remove and clean the glow plugs.” — manufacturer, c34.org |
| Check engine/shaft alignment M-25XPA / M-25XPA(C) (A-series, manual 200494) | 500 hrs or 5 yrs | “*Engine/Shaft Alignment: Check security of the shaft coupling and check shaft alignment.” — manufacturer, c34.org |
| Inspect transmission damper plate M-25XPA / M-25XPA(C) (A-series, manual 200494) | 1,000 hrs or 5 yrs | “*Transmission Damper Plate: Inspect the damper plate, replace if necessary” — manufacturer, c34.org |
| Fuel filters & water separator M-25XPB / M-25XPB(C) (B-series, manual 200550) | 250 hrs or 1 yr | “Initial change, then every 250 hours or once a year.” — manufacturer (rev 3, Aug 2015), c34.org |
| Transmission fluid change M-25XPB / M-25XPB(C) (B-series, manual 200550) | 300 hrs or 1 yr | “Initial change, then at 300 hours or once a season.” — manufacturer (rev 3, Aug 2015), c34.org |
| Exhaust mixing elbow inspection M-25XPB / M-25XPB(C) (B-series, manual 200550) | 250 hrs or 1 yr | “Initial check at 50 hours, then every 250 hours or once a year.” — manufacturer (rev 3, Aug 2015), c34.org |
| Engine pencil zincs M-25XPB / M-25XPB(C) (B-series, manual 200550) | 50 hrs or 1 mo | “EVERY 50 OPERATING HOURS OR MONTHLY ... Zinc Anode: Inspect and clean zinc anode. Replace if necessary.” — manufacturer (rev 3, Aug 2015), c34.org |
| Drive belts inspect / replace M-25XPB / M-25XPB(C) (B-series, manual 200550) | 50 hrs or 1 mo | “EVERY 50 OPERATING HOURS OR MONTHLY ... Drive Belt: Inspect for proper tension” — manufacturer (rev 3, Aug 2015), c34.org |
| Raw-water pump impeller M-25XPB / M-25XPB(C) (B-series, manual 200550) | 100 hrs or 1 yr | “EVERY 100 OPERATING HOURS OR YEARLY ... Raw Water Pump: Inspect impeller, check drive shaft security.” — manufacturer (rev 3, Aug 2015), c34.org |
| Air filter / intake silencer M-25XPB / M-25XPB(C) (B-series, manual 200550) | 100 hrs or 1 yr | “EVERY 100 OPERATING HOURS OR YEARLY ... Air Intake Filter: Inspect, clean and replace as needed.” — manufacturer (rev 3, Aug 2015), c34.org |
| Coolant replacement & freeze-point test M-25XPB / M-25XPB(C) (B-series, manual 200550) | 500 hrs or 1 yr | “EVERY 500 OPERATING HOURS OR YEARLY ... Coolant System: Drain, flush and re-fill the cooling system” — manufacturer (rev 3, Aug 2015), c34.org |
| Valve clearance check / adjust M-25XPB / M-25XPB(C) (B-series, manual 200550) | 500 hrs or 1 yr | “EVERY 500 OPERATING HOURS OR YEARLY ... *Valve Clearances: Adjust valves.” — manufacturer (rev 3, Aug 2015), c34.org |
| Injector test / service M-25XPB / M-25XPB(C) (B-series, manual 200550) | 500 hrs or 1 yr | “*Fuel Injectors: Check and adjust injection opening pressure and spray conditions.” — manufacturer (rev 3, Aug 2015), c34.org |
| Heat exchanger & oil cooler cleaning M-25XPB / M-25XPB(C) (B-series, manual 200550) | 1,000 hrs or 5 yrs | “EVERY 1000 OPERATING HOURS OR OR EVERY FIVE YEARS ... *Heat Exchanger: Remove the heat exchanger for professional cleani” — manufacturer (rev 3, Aug 2015), c34.org |
| Clean glow plugs / check preheat M-25XPB / M-25XPB(C) (B-series, manual 200550) | 500 hrs or 1 yr | “*Preheat Circuit: Check operation of the pre-heat. Remove and clean the glow plugs.” — manufacturer (rev 3, Aug 2015), c34.org |
| Check engine/shaft alignment M-25XPB / M-25XPB(C) (B-series, manual 200550) | 500 hrs or 1 yr | “Engine/Shaft Alignment: Check security of the shaft coupling and check shaft alignment.” — manufacturer (rev 3, Aug 2015), c34.org |
| Inspect transmission damper plate M-25XPB / M-25XPB(C) (B-series, manual 200550) | 1,000 hrs or 5 yrs | “*Transmission Damper Plate: Inspect the damper plate, replace if necessary” — manufacturer (rev 3, Aug 2015), c34.org |
Service part numbers (19)
| Oil filter | Universal 300209 | “Filter, Lube Oil - 300209” — manufacturer, westerbeke.com · “300209 FILTER,OIL” — manufacturer, hansenmarine.com |
| Fuel filter | Universal 298854 | “Filter, Fuel Oil - 298854” — manufacturer, westerbeke.com · “298854 FILTER,FUEL” — manufacturer, hansenmarine.com |
| Electric fuel lift pump filter (with gasket) | Universal 300128 | “Filter, Electric Lift - 300128” — manufacturer, westerbeke.com · “300128 FILTER,FUEL WITH GASKET” — manufacturer, hansenmarine.com |
| Optional primary fuel filter / water separator (Westerbeke accessory) | Universal 032974 | “5 032974 FILTER PRIMARY FUEL SEPERATOR 1” — manufacturer, westerbeke.com |
| Raw-water impeller New-style Sherwood sea water pump 302648 (M-25 / M-25XP) |
Universal 302875 | “Pump, Impeller - 302875” — manufacturer, westerbeke.com · “302875 IMPELLER,PUMP 302648” — manufacturer, hansenmarine.com |
| Raw-water impeller Old Sherwood sea water pump 300986 (M-25) |
Universal 287439 | “5 287439 1 Impeller” — manufacturer, westerbeke.com |
| Raw-water impeller Oberdorfer sea water pump 301357 (M-25) |
Universal 295628 | “5 295628 1 Impeller” — manufacturer, westerbeke.com · “295628 IMPELLER,PUMP 301357” — manufacturer, hansenmarine.com |
| Raw-water impeller Impeller kit, raw water pump 042175 (M-25XPB); price book says it also fits pump 302648 |
Universal 200175 | “6 200175 IMPELLER KIT INCLUDES REF #'S 5,6 & 8 1” — manufacturer, westerbeke.com · “200175 IMPELLER KIT 302648 - 42175 PUMP” — manufacturer, hansenmarine.com |
| Raw-water pump kit Raw water pump 042175 (M-25XPB); price book says it also fits pump 302648 |
Universal 200176 | “30 200176 PUMP KIT REBUILD 1” — manufacturer, westerbeke.com · “200176 KIT,WATER PUMP 302648 - 42175” — manufacturer, hansenmarine.com |
| Drive belt M-25 (5421 / M-25, 1978-1986) |
Universal 300805 | “Belt - 300805” — manufacturer, westerbeke.com · “300805 BELT,FAN 41.6 x O” — manufacturer, hansenmarine.com |
| Drive belt M-25XP |
Universal 300817 | “Belt - 300817” — manufacturer, westerbeke.com |
| Drive belt M-25 fitted with the alternator mount conversion kit |
Universal 302190 | “16 302190 1 V-Belt M25” — manufacturer, westerbeke.com · “302190 BELT,FAN 39.6 x O” — manufacturer, hansenmarine.com |
| Drive belt M-25XPB |
Universal 030475 | “9 030475 BELT FAN, 39.5 X0 1” — manufacturer, westerbeke.com · “30475 BELT,FAN 39.5 x O” — manufacturer, hansenmarine.com |
| Air filter | Universal 301049 | “Air Filter Element - 301049” — manufacturer, westerbeke.com |
| Zinc / anode M-25 / M-25XP with 2-inch diameter heat exchanger |
Universal 301069 | “Zinc - 301069 (I) ... 301069 ZINC IS USED ON 2" DIAMETER HEAT EXCHANGERS.” — manufacturer, westerbeke.com |
| Zinc / anode M-25XP with 3-inch diameter heat exchanger |
Universal 301068 | “301069 FOR 2" DIAMETER EXCHANGER OR 301068 FOR 3" DIAMETER EXCHANGER.” — manufacturer, westerbeke.com · “301068 ZINC 3/8NPT x 1-1/4” — manufacturer, hansenmarine.com |
| Zinc / anode M-25XPB |
Universal 011885 | “17 011885 ZINC 1” — manufacturer, westerbeke.com · “Westerbeke 011885 Zinc anode” — dealer, westerbeke.com.au |
| Thermostat M-25, M-25XP, and M-25XPB to March 1998 (38 mm OD) |
Universal 301358 | “Thermostat Element - 301358 (H) ... THERMOSTAT IS 160 deg.” — manufacturer, westerbeke.com |
| Thermostat M-25XPB from March 1998 (44 mm OD) |
Universal 201001 | “13-2 201001 THERMOSTAT 160F - 44 MM OD FROM MAR 1998 1” — manufacturer, westerbeke.com · “201001 THERMOSTAT 160F” — manufacturer, hansenmarine.com |
From the engine maker’s parts lists, or two independent parts dealers. Numbers change with serial number and get superseded — check yours before ordering.
Yanmar 3GM / 3GM30F parts: good
Factory optional engine — you entered “Yanmar 3GM (3GMD)”
Very popular (used 3GM30Fs sell for $3,000+) and supported by a strong parts network. Cylinder head overhauls (valve seals, lapping, injector service) are a common, parts-supported repair.
Parts sources: Mack Boring & Parts (Yanmar distributor), HDI Marine (stainless exhaust elbows), Parts4Engines
Common problems (2)
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Overheating at cruise rpm cooling
The 3GM30F has a known overheating tendency linked to its heat exchanger; owners also trace it to coked elbows, worn impellers, scaled heat exchangers or air in the raw water circuit. Some heat exchangers were replaced under warranty.forums.sailboatowners.com
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Mixing elbow corrosion exhaust
OEM elbows corrode internally and should be inspected or replaced with stainless versions before they let water into the engine.practical-sailor.com · facebook.com
Maker’s service schedule (2)
| Fuel filters & water separator | 250 hrs | “The normal replacement interval for the element is 250 hours ... Filter cleaning First time 50 hours Filter element repl” — manufacturer, c320.org |
| Air filter / intake silencer | 250 hrs | “Washing period Every 250 hours” — manufacturer, c320.org |
Service part numbers (10)
| Oil filter | Yanmar 119305-35170 Replaces 119305-35151, 119660-35150 |
“3GM30F Basic Service Kit ... 119305-35170 1 FILTER ASSY, D68XL65” — dealer, oldportmarine.com · “Maintenance kit Yanmar 2GMF, 2GM20F, 3GMF, 3GM30F ... Yanmar 119305-35170 Oil Filter” — dealer, marinedustrie.com |
| Fuel filter | Yanmar 104500-55710 | “Fuel Filter Element 1 104500-55710 / Fuel Filter O-Ring 1 24341-000440” — dealer, ellebogen.com · “3GM30F Basic Service Kit ... 104500-55710 1 ELEMENT, FUEL FILTER” — dealer, oldportmarine.com |
| Raw-water impeller Japan-built 3GM / 3GM30(F) (serial not starting with E) |
Yanmar 124223-42092 | “Impeller 1 124223-42092 / Impeller Gasket 1 124223-42110” — dealer, ellebogen.com · “3GM30F Basic Service Kit ... 124223-42092 1 IMPELLER, PUMP” — dealer, oldportmarine.com |
| Raw-water impeller European-built GM-YEU (serial starting with E) |
Yanmar 128990-42570 Replaces 128990-42200 |
“(Supersedes part number: 128990-42200) ... 3GM30-YEU, 3GM30C-YEU 3GM30F-YEU, 3GM30FC-YEU” — dealer, palmerpower.com · “It fits Yanmar 2GM20F, 2YM15, 3GM30F, 3GM30FC, 3TN30F, 3YM20, 3YM30, 3YM30AE engines. Cross Reference: 128990-42200” — dealer, deltadieselparts.com |
| Drive belt | Yanmar 25132-003700 | “Alternator Belt 1 25132-003700” — dealer, ellebogen.com · “3GM30F Basic Service Kit ... 25132-003700 1 V-BELT, A37” — dealer, oldportmarine.com |
| Drive belt | Yanmar 104511-78780 | “S/W Pump Belt 1 104511-78780” — dealer, ellebogen.com · “3GM30F Basic Service Kit ... 104511-78780 1 V-BELT, M/19” — dealer, oldportmarine.com |
| Air filter | Yanmar 128270-12540 | “Air Filter Element 1 128270-12540” — dealer, ellebogen.com · “3GM30F Basic Service Kit ... 128270-12540 1 ELEMENT, AIR CLEANER” — dealer, oldportmarine.com |
| Zinc / anode raw-water 3GM / 3GM30; also sold for the F (heat-exchanger) versions |
Yanmar 27210-200300 | “27210-200300 Yanmar Engine Zinc Anode For 2GM(D), 3GM(D), 2GM20, 3GM30” — dealer, zincsforboats.com · “It fits Yanmar 2GM, 2GM20F, 2GM15, 2GM20, 3GM30F, 3GMF, 3HMF, 3GM30H engines.” — dealer, deltadieselparts.com |
| Thermostat 3GM30F / 3GMF (fresh-water cooled) |
Yanmar 121750-49800 | “Thermostat 1 121750-49800 / Thermostat Gasket 1 129350-49541” — dealer, ellebogen.com · “Thermostat for Yanmar 2GMF, 3GMF, 3HMF, 2GM20F, 3GM30F, 3HM35F / REC121750-49800” — dealer, marineparts.eu |
| Thermostat 3GM / 3GM30 (raw-water cooled) |
Yanmar 105582-49200 | “Replaces Yanmar Marine 105582-49200 ... 1GM, 2GM, 3GM, 1GM10, 2GM20, 3GM30” — dealer, repowermarine.com · “1GM10, 2GM20 & 3GM30 Thermostat to fit raw water cooled engine versions ... equivalent to 105582-49200” — dealer, parts4engines.com |
From the engine maker’s parts lists, or two independent parts dealers. Numbers change with serial number and get superseded — check yours before ordering.
Steering
Edson — Pedestal chain-and-wire steering parts: good
Edson (New Bedford, MA) still sells service parts: chain-and-wire kits, sprockets, idlers, pull-pull conduit steering and internal pedestal parts, and keeps steering data sheets by boat model, many decades old.
Parts sources: Edson Marine (service parts)
Common problems (3)
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Old or slack steering wire steering
Edson advises replacing steering wire about every five years, checking tension with the wheel locked, and inspecting under load annually; owners often find decades-old stiff wire.usna.edu · youtube.com
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Lubrication and fastener checks steering
Chain, wire, sheaves and pedestal bearings need regular oiling or greasing, and clevis/cotter pins and bolts should be checked monthly to avoid failures.usna.edu
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Replacing engine control cables in the pedestal steering
Swapping throttle/shift cables inside an Edson pedestal is a common owner job requiring removal of the wheel shaft sprocket pin.forums.sailboatowners.com
Edson — Traditional geared steerers (worm / rack-and-pinion) parts: good
Edson says its traditional wheels and geared steerers are still available, now built with modern materials; rack-and-pinion steerers are offered for transom-hung and inboard rudders.
Parts sources: Edson Marine (traditional steerers)
Model sources (13)
sailboatdata.com · sailnet.com · cruisersforum.com · facebook.com · justanswer.com · dan.pfeiffer.net · dan.pfeiffer.net · pearsonyachts.org · dan.pfeiffer.net · dan.pfeiffer.net · dan.pfeiffer.net · dan.pfeiffer.net · edsonmarine.com
Own a Pearson 34? Add her to your boats, then share a photo — names, numbers and faces are blurred before it appears.
Other Pearson models
- Pearson 26 1970–1983
- Pearson 30 1971–1981
- Pearson 323 1976–1983
- Pearson 35 1968–1982
- Pearson 365 1976–1982
Researched from public sources. Spotted an error? The sources are listed above — tell us what they got wrong.