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Cylinder Kit, Big Bore for 150cc GY6 Scooters, ATVs, Go Karts
List Price: $139.99
Sale Price: $129.99
In Stock
Item Number: HP-CYKT-GY6
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High Performance 150cc Cylinder Upgrade for GY6 157QMJ engine used in Scooters, ATVs, and Buggies.
SPECIFICATIONS:
This cylinder kit includes: Cylinder Block, Piston and Rings, Wrist Pin, Circlips, and Base Gasket.
- N-MP-09533 - 59MM (This is as large as you can go without boring the engine case) converts to 155cc
- N-MP-09444 - 61MM (GY6 Oblique works on ATVs and Go Karts) converts to 170cc
- N-MP-09443C - 61MM converts to 170cc
- N-MP-09463 - 62MM (Includes cylinder head) converts to 175cc
- N-MP-09463C - 62MM (Aluminum) converts to 175cc
- N-MP-09519 - 63MM converts to 180cc
Easy to install, plus when used with other upgrades such as new air filter, exhaust, and carb you get the full performance from your engine to achieve higher speeds and take off.
You can also re-jet your carb, add MRP V150 exhaust for excellent results or a new exhaust on a cart or buggy to add much needed power. When clutch is added it lets you use the added power for quick take off for a scooter to get up to speed and keep up with traffic or on a cart it really gets your Go Cart to dig in for hill climbing.
We do have matching head for this kit with bigger valves to complete upgrade.
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