Adapter for Air-Cooled Engine — 19 mm OD, 55 mm length, 2-stroke, Silver

MOTION PRO Adapter for Air-Cooled Engine — 19 mm OD, 55 mm length, 2-stroke, Silver

MOTION PRO
3801-0029
08-0249

Enables use of water-cooled 2-stroke timing kits on air-cooled engines with 14 mm spark plugs. Includes extended thread adapter and dial indicator extension. Not compatible with Yamaha RD two-stroke twins while engine is in frame.

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🔧 The adapter kit allows a water-cooled 2-stroke timing kit to be used on many air-cooled engines that accept 14 mm spark plugs. It includes an extended thread adapter and a dial indicator extension to help achieve precise timing setup.

⚠️ Important: this kit does not permit installation of a two-stroke timing kit on Yamaha RD two-stroke twins while the engine is in the frame. The timing kit will function with the adapter only when the engine is removed from the frame.

Designed for bench and shop use, the adapter provides a straightforward solution for adapting timing systems without modifying the engine. Always follow the timing kit manufacturer’s instructions and use appropriate measuring tools during setup.

  • Allows water-cooled 2-stroke timing kits to be used on air-cooled engines with 14 mm plugs.
  • Includes extended thread adapter and dial indicator extension for accurate timing checks.
  • Read all instructions before use and verify fitment on your engine model.
: 3801-0029
: 17 Items
In Stock

Data sheet

Type
Indicator Dial
Units
Each
Color/Finish
Silver
Brand
MOTION PRO
Outside Diameter
19 mm (3/4")
Application
Ignition System
Measurement System
Metric
Overall Length
55 mm (2-3/16")
For Engine Type
2-Stroke

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