Starter Drive for Yamaha Mountain Max, Phazer & Viper Snowmobiles - CW Rotation
Starter Drive for Yamaha Mountain Max, Phazer & Viper Snowmobiles - CW Rotation
SKU:220-52091
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Starter Drive for Yamaha Mountain Max, Phazer & Viper Snowmobiles - CW Rotation
9-Tooth Drive Gear for Denso Starters - 6-Spline, CW Rotation
This starter drive gear is a direct-fit replacement for the drive unit fitted to Denso starter motors on a range of Yamaha snowmobiles. It is a 9-tooth, 6-spline gear that rotates clockwise (CW), matching the original Yamaha SND5073 drive.
Built to the same gear form and dimensions as the original - 28.0mm gear OD, 12mm gear ID and 40.0mm overall length - it engages and disengages the starter motor exactly as the factory part does, giving reliable cold-start performance with no modification to the starter housing required.
Key Features
- 9-Tooth drive gear, 6-Spline fitting
- CW (Clockwise) rotation
- For Denso starter motors
- Gear OD 28.0mm, Gear ID 12mm, Overall length 40.0mm
- Direct OEM fit and finish
Technical Specs
| Specification | Detail |
|---|---|
| Drive Teeth | 9-Tooth |
| Spline Type | 6-Spline |
| Rotation | CW (Clockwise) |
| Starter Type | For Denso Starters |
| Gear OD | 28.0mm |
| Gear ID | 12mm |
| Overall Length | 40.0mm |
Vehicle Fitment Guide
Exact model years are not published by the manufacturer for this drive gear. It covers the Yamaha snowmobile engine range 485-698cc across the models below.
| Make & Model | Years |
|---|---|
| Yamaha Mountain Max | 485-698cc engine range |
| Yamaha Phazer | 485-698cc engine range |
| Yamaha Venom | 485-698cc engine range |
| Yamaha Viper | 485-698cc engine range |
| Yamaha Venture | 485-698cc engine range |
| Yamaha V Max | 485-698cc engine range |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 8CW-81832-00-00 | Arrowhead (Old) |
| SND5073 | Yamaha |
Frequently Asked Questions
Will this fit without modification?
Yes. It is a direct replacement for the original Denso starter drive gear - same tooth count, spline fitting and rotation - no modification to the starter housing is needed.
What's included?
One starter drive gear unit.
How can I tell the old drive gear has failed?
Common signs are a grinding or rattling noise when the starter engages, the starter motor spinning without turning the engine over, or the drive failing to retract after starting.
Is this compatible with a counter-clockwise (CCW) starter?
No. This is a CW (clockwise) rotation drive gear only. Please confirm the rotation of your original part before ordering.
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