Johnson Evinrude 20-35HP 2-Stroke Starter Motor 12V 9-Tooth
5721N
- Dispatched in 2-3 days
- 30 Day Return Policy
- In stock, ready to ship
- Backordered, shipping soon
Starter motor for Johnson and Evinrude 20-35HP two-strokes
A 12V permanent-magnet direct-drive replacement starter for selected Johnson and Evinrude two-cylinder two-stroke outboards. It uses counter-clockwise rotation and a 9-tooth pinion.
Best used for: electric-start repair on compatible classic fishing boats, tenders, RIBs and utility craft using the listed OMC two-cylinder outboards.
Technical specification
| System voltage | 12V |
| Rotation | Counter-clockwise (CCW) |
| Pinion | 9 teeth |
| Pinion outside diameter | Approximately 36mm |
| Starter design | Permanent-magnet direct drive (PMDD) |
| Engine type | Two-cylinder two-stroke outboard |
| Condition | New replacement component |
Engine compatibility and applications
- Johnson/Evinrude 20HP two-cylinder two-stroke: selected 1985-1998 applications.
- Johnson/Evinrude 25HP: selected 1980-2000 two-cylinder applications.
- Johnson/Evinrude 28HP: selected 1987-1996 applications.
- Johnson/Evinrude 30HP: selected 1984-2000 applications.
- Johnson/Evinrude 35HP: selected 1980-1984 two-cylinder applications.
- Not for later three-cylinder 25/35HP engines or four-stroke models.
Compatibility rule: verify the complete engine model and serial range, original OEM number, voltage, rotation, pinion teeth/diameter, mounting and terminal layout. Horsepower alone is not sufficient.
OEM references, checks and installation
- OMC/BRP: 583473, 0583473, 585059, 585459, 778991.
- Sierra Marine: 18-5627; ARCO Marine: 5390.
- Mercury Marine reference: 8M6007323 where confirmed for the same unit.
Before fitting: isolate the battery, label the cables, compare both units, inspect the flywheel ring gear and check battery condition, cable voltage drop and terminals.
Installation: follow the engine manufacturer's service procedure and torque values. Professional marine installation is recommended.
Package contents: one new replacement starter motor. External cables and unrelated mounting hardware are not included.
Frequently asked questions
Does it fit every Johnson/Evinrude 25HP or 35HP?
No. Cylinder count, year, serial range and original reference must all match.
Is this for a three-cylinder 35HP engine?
No. This listing is for selected two-cylinder applications.
What must the original pinion have?
The compatible starter uses a 9-tooth pinion of approximately 36mm outside diameter and CCW rotation.
Is this suitable for four-stroke engines?
No. The listed applications are two-stroke outboards.
Important: OEM names and numbers are compatibility references only. This is a replacement component unless expressly described as genuine OEM.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
