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Old 11-10-2017, 09:50 PM
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xlint89 xlint89 is offline
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Join Date: Dec 2011
Location: cleveland OH
Posts: 1,064
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Tom at Syc Powersports has a large reliable engine. He'd be the one to ask.

I personally have had great results with my set up. Mine is listed in my sig at the bottom of my posts.

Not sure about being able to double the HP output, but you can definitely make large gains.

As I eluded to in previous posts, the factory mass produced engines are not high quality. They can be MUCH more potent with just some massaging and little $$. There are a lot of casting flaws that can be cleaned up that would allow more air to enter and exit the engine.

Couple that with some head work (porting), camshaft, an unrestrictive air intake and exhaust, and you've got a much more responsive engine. Plus you don't have a lot of $$ into it. If your top end is wore out, you can also consider bolting on a slightly larger 58.5mm cylinder (largest you can reliably go without boring the cases)


Of course you can go big, but you're going to start to get pricey too. You're now also looking to split the cases for a stroker crank, and or machine them for a larger cylinder.

This stuff ^^^ can all be added on later to the original build if planned properly.


Here's some reading info:

http://buggymasters.com/forum/showthread.php?t=4191



Here's a rough idea of what can be achieved:

Post #11

http://buggymasters.com/forum/showthread.php?t=2670
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My Yerban assault vehicle: 2.2mm stroker crank, 62mm Nikasil cyl, Taida large vavle head, American made valve springs, ported intake manifold, TM 28mm carb, stock CDI, Bando coil, TK exhaust, stock CVT except for the 14g sliders, 13/40 internal gears, 16T drive, 31T axle sprocket, 22" rear tires, and ONE BIG POTATO CANNON mounted on top..........
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