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How do you choose the right Suzuki trim motor?
The Suzuki OEM reference remains the main criterion for selecting a compatible trim motor. Two outboard engines with similar power can have different installations depending on year, serial number, shaft type and hydraulic unit version.
Before ordering, always check:
● the original Suzuki reference shown on the part or indicated in the exploded view;
● the connector: generally 2 wires on many installations, but this must be confirmed;
● the mounting: number of screws, plate diameter and centre distance;
● the length and diameter of the drive shaft;
● the exact outboard model, its year and serial number.
Important: the compatibilities below are indicative. Suzuki used several installations depending on DF and DT generations. If in doubt, always check the OEM reference or contact us with the engine serial number.
Examples of common Suzuki OEM references
Suzuki OEM reference
Common applications
Points to check
38100-87J11 / 38100-87J20
Suzuki DF40 and DF50 depending on year and version
Connector, 4-screw mounting, centre distance and serial number
38100-99E01
Suzuki DF60 and DF70 4-stroke depending on model year
2-wire installation, 4-screw plate and drive shaft
38100-96J00 et variantes
Mid- and high-power Suzuki DF applications depending on version
Compatibility to be confirmed by exact reference
38100-96J01 / 38100-92J02 / 38100-93J01-02
Suzuki DF115, DF150, DF175, DF200 and similar models depending on year
Hydraulic unit type, connector and mounting
38100-92E20
Suzuki DT90, DT100 and some DT150 to DT225 2-stroke
OEM reference, connector and engine generation
38100-87D10 / 38100-87E20
Suzuki DT150 to DT225 V4/V6 2-stroke depending on version
Exact installation to be checked before ordering
How can you recognise a Suzuki trim failure?
● The trim no longer responds: first check the battery, fuses, relays, control switches and electrical connections. A completely silent system does not always mean the trim motor has failed.
● The electric motor runs but the outboard does not move: the hydraulic oil level may be too low, the manual release screw may be incorrectly tightened, or the coupling between the electric motor and the pump may be damaged.
● The trim works intermittently: oxidised terminals, a tired relay or water ingress into the electric housing can cause random cut-outs.
● Oil around the hydraulic unit: a leak at the seals, cylinders or reservoir must be dealt with quickly to avoid lack of oil and pump damage.
● Cloudy oil or a “mayonnaise” appearance: this often indicates the presence of water in the hydraulic circuit. Draining and a watertightness check are then required.
Replacing a Suzuki electric trim motor
On many installations, the electric trim motor can be replaced without removing the entire hydraulic unit. Access varies depending on engine power, available space on the bracket and the condition of the fasteners.
Secure the outboard: raise the engine fully, lock it on its mechanical safety support and disconnect the electrical power.
Identify the connections: photograph or mark the wires before disassembly so the connection direction is respected during reassembly.
Remove the mounting screws: unscrew the trim motor plate carefully, especially if the fasteners are oxidised.
Remove the old motor: check the condition of the shaft, seal and mounting surface.
Fit the new motor: replace the seal if necessary, tighten the screws correctly and reconnect the wires.
Check operation: test raising and lowering, then check the hydraulic oil level and condition.
Warning: never work under an outboard held only by the hydraulic system. Always use the mechanical safety support or a suitable stand.
Suzuki trim system maintenance
Regular maintenance greatly reduces trim failures, especially in marine use. After each trip, rinse the engine with fresh water and operate the trim several times to remove salt around the cylinder rods and articulation points.
● Check the hydraulic oil level at least once per season.
● Watch for leaks around the cylinders, reservoir and hydraulic unit.
● Grease the pins, trunnions and articulation points with a suitable marine grease.
● Protect electrical terminals and connectors against oxidation.
● Replace damaged seals quickly to prevent water entering the circuit.