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Alright so my nephew is getting to big for the 90cc I bought him and was curious on mods I can do to get more power out of it. Thanks in advance
05 Trx 90 mods
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There isn't much you can do about that dilemma, except put your nephew on a bigger Honda ATV! Its not cost effective to mod a small motor such as a TRX90 for more power. Most you can expect to gain might be a 10% increase in real terms, which equates to what... about 0.7 ft lbs of torque & about 0.8 HP...? You'd spend a lot of money getting that much... plus you'd sacrifice some of the reliability inherent in all stock Honda motors.
Buy a bigger bike. Its cheaper to upgrade and can effectively solve the growing kid problem for good.
Buy a bigger bike. Its cheaper to upgrade and can effectively solve the growing kid problem for good.
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1,422 Posts
Normally with Honda utility quads, I agree with retro in that trying to add hp is usually a fruitless endeavor.
But the trx90 is a different deal. That's because there is youth atv racing and there are tons of mods available for it, and since it is legit racing and the racing parents aren't afraid to spend big $$$, you can get some serious hp gains. Like getting 20 hp or more our of big bore kits combined with race heads and intake mods. But all those gains come at huge $$$. Way more cost effective to buy a bigger displacement atv.
TRX90 114cc bore kit - anyone ridden one, I want a ride report please ?
Tons of other links, videos, and pruduct websites out there on high hp youth honda's as well.
But if you really want more hp out of the 90, you can get it. Another part of the reason is it shares the same motor platform as the crf70 and other pit bikes, and the guys that do pit bike racing also do the same serious mods.
All that to say I would never do that myself, there are much less expensive ways to get a 20hp atv that a kid can ride. But did want you to know that the mods are not just limited to 10% gains...
But the trx90 is a different deal. That's because there is youth atv racing and there are tons of mods available for it, and since it is legit racing and the racing parents aren't afraid to spend big $$$, you can get some serious hp gains. Like getting 20 hp or more our of big bore kits combined with race heads and intake mods. But all those gains come at huge $$$. Way more cost effective to buy a bigger displacement atv.
TRX90 114cc bore kit - anyone ridden one, I want a ride report please ?
Tons of other links, videos, and pruduct websites out there on high hp youth honda's as well.
But if you really want more hp out of the 90, you can get it. Another part of the reason is it shares the same motor platform as the crf70 and other pit bikes, and the guys that do pit bike racing also do the same serious mods.
All that to say I would never do that myself, there are much less expensive ways to get a 20hp atv that a kid can ride. But did want you to know that the mods are not just limited to 10% gains...
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