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TRX 90 Help

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Posted by: Dodge 1 Ton

We just did some engine mods to our 90. Ported head with bigger valves, powroll cam, 11:1 piston. It runs great but when my son hits a big jump and lands it hesitates for a second . Is something out of tune? I changed carbs but still no luck. A guy at the local shop said there was something he had heard of before that took care of this problem but could not remember what it was.




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