Name: Yamaha 70 90HP Early Outboard Trim Tilt Motor 12V 3-Wire | Replaces 6H1-43880-00-00
Brand: Yamaha
SKU: TT-YM-6H1-00

Yamaha 70 90HP Early Outboard Trim Tilt Motor 12V 3-Wire | Replaces 6H1-43880-00-00

Product Code:TT-YM-6H1-00

Brand:Yamaha

$54.25

Core Advantages

● Performance | Materials & Craft --- 12V DC reversible trim motor with a 3-wire hookup, 77.7mm field housing, 127.5mm overall length, 8mm shaft with a 4 x 5.5mm flat tang and a 3-bolt flange. The case is sealed and the armature is coated, because on an early 70 or 90 that lives in salt water the seal decides how long the motor lasts, not the brushes.
● Fitment | OE Numbers & Models --- Yamaha 70 and 90HP carbureted two-strokes, 1984 through 1991, the early run. Most of these come off 1980s boats where the original motor has already been rebuilt twice. The number you will see is 6H1-43880-00-00. Sierra lists it as 18-6259, ARCO as 6267, Arrowhead as TRM0037, J&N as 430-22146, Lester as 10832N. Three wires on this one. Two wires and a 64mm case means you have the later 6H1-43880-02-00, and that motor will not fit here.
● Installation | Easy, No Modification --- Three mounting holes on the same centres as the original flange, three wires that match the factory harness, and an 8mm flat tang shaft that mates with the pump coupler already on the engine. No adapter plate to add, nothing to drill, and no reason to open the trim pump itself.
● Warranty & Value --- 6 month warranty, MOQ 20pcs, 10-15 days lead time. RoHS / REACH / ISO9001 on file. Priced under a dealer trim unit, with salt water rated seals and a sealed case, so the part that fails first is the part we replaced.

OEM Numbers

OEM Number

Yamaha6H1-43880-00-00

Replacement Number

Sierra18-6259

ARCO6267

ArrowheadTRM0037

J&N430-22146

Lester10832N

Quicksilver8M6007568

EMP4-6259

Factory Number

Technical Parameters

rated_voltage

12V

ip_rating

ip54

salt_spray_resistance

480Hours

max_working_depth_m

moq

20pcs

delivery_lead_time

10-15days

warranty_period

6months

certification

RoHS/REACH/ISO9001

output_shaft_material

alloy_steel

cooling_method

natural_air

sacrificial_anode_config

stator_conductor_material

Pure copper winding

rotor_conductor_material

Pure copper winding

rotation_direction

CW, CCW

installation_size

Field housing OD 77.7, length 127.5mm

mounting_flange_size_mm

3-bolt, OD 77.7mm

waterproof_terminal_spec

3-wire, original configuration

Product Overview

Trim and tilt motor for the early Yamaha 70 and 90HP two-strokes, an aftermarket replacement for 6H1-43880-00-00. Three wires, a 77.7mm field case and a 127.5mm body. Bigger than the later unit, and it does not swap with it.

OE Reference Numbers

Primary reference: 6H1-43880-00-00

Cross references reported by replacement part catalogs: Sierra 18-6259, ARCO 6267, Arrowhead TRM0037, J&N 430-22146, Lester 10832N, Quicksilver 8M6007568, Quicksilver 8M6007571, EMP 4-6259

Buyer search terms: Yamaha 90HP trim motor, 6H1-43880-00-00 tilt motor, Yamaha 70HP trim and tilt, early Yamaha trim motor

Reference Specifications

System voltage: 12V DC

Rotation: reversible, up and down

Wiring: 3-wire, original configuration

Field housing: 77.7mm outside diameter

Overall length: 127.5mm

Shaft: 8mm with 4 x 5.5mm flat tang

Mounting: 3-bolt flange

Weight: about 2.9kg

Case size and shaft come from compatible catalogs and our own stock, not Yamaha drawings. Measure the unit you are taking off, because Yamaha ran two different trim motors behind the 70 and 90.

Fitment and Purchase Checks

Yamaha 70 and 90HP two-strokes built 1984 to 1991. That is the early run, not the 1992 and later engines. If your motor reads 6H1-43880-02-00, it is the smaller 64mm case and this one is too big. Two wires means the later unit. Three wires means this one. Look at the case diameter before you order anything.

Why This Unit

These early units die the same way as the new ones. Water gets in past the seal, the armature rusts, the brushes stop. Tilt gets slow, then blows a fuse, then quits halfway. Sealed case, copper windings, coated armature here. The 3-wire hookup matches the original loom, so you are not splicing.

For Buyers and Distributors

Six months warranty. 20 pieces minimum. Ships in 10 to 15 days. RoHS, REACH and ISO9001 papers on file. Tell us the engine model, the old number, the quantity and the port. Quote goes back same day.

Aftermarket notice

This listing is an aftermarket replacement part supplied by StarterStock. We are not affiliated with, authorized by, or endorsed by any original equipment manufacturer. OE numbers, model names and brand names are quoted for identification and fitment matching only, and remain the property of their respective owners.

Vehicle Fitment

Brand	Model	Model Code	Year
Yamaha	Yamaha Outboard 70HP 2-Stroke (1987-1991)	70-2S-84	1987–1991
Yamaha	Yamaha Outboard 90HP 2-Stroke (1987-1991)	90-2S-84	1987–1991

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