Description
This set contains everything you need to upgrade the 350cc J-engine to 500cc. This applies for HUNTER, METEOR or NEW CLASSIC BULLET.
This cylinder has a new liner compatible with the new FORGED piston (meaning: the old liner was not just bored out, it was replaced).
With this upgrade an addition piggyback ECU is necessary. We have tested it on a METEOR and the added torque is incredible. Its a different bike.
If you use this on a HUNTER send us a picture of your side panel and we will include a fitting 500 logo sticker for the side panel in the your color scheme (add 3-5 days until shipping).
Specs:
Bore: 84mm (the piston is FORGED)
Stroke: same as stock – 85.8mm
Compression: ca. 5-7% above stock (9.5:1) – runs with 95RON fuel and above using correct mapping.
ECU: Powertronic V4
The kit fits into the engine without modifications to the engine body i.e. it is not necessary to widen the opening
Included: Cylinder with new liner, piston with rings and pin, all 3 gaskets needed
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