|Posted by John Churchman on June 26, 2012 at 1:40 PM||comments (1)|
Is 35 mph just too slow for you? Well our 85cc Stage II Bore Kit is the perfect solution for you and will allow you to tack on another 10 mph to your top end.
What we do with our Stage II Bore Kit upgrade is essentially give you a larger motor expanding your 50cc single cylinder engine to 85cc. To do this we also add a hi-flow fuel and air intake to allow more gas and air into the cylinder. We also add a larger main jet which lets more gas through the carburetor, allowing the new 85cc bore kit to perform at maximum efficiency. We switch out your stock spark plug with an Iridium one, which are highly regarded by performance enthusiasts to be the best type of plug you can buy. Finally we add heavier transmission weights to give you a higher top end speed as well. All of this adds up to better acceleration and a higher top end speed often of 10 mph or more.
As a comparison in size the stock 50cc cylinder is on the left and the upgraded 85cc cylinder is on the right.
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