Q on a 2006 Honda trx 250ex
#2
A UNI air filter, a few of those UNI round airbox lid vents (you can't use to many...this little engine will only handle so much air), and an aftermarket muffler (I like the FMF PowerCore 4), and of course a rejet. Won't turn it into a fire breathing dragon, but the difference is noticeable....
#4
The stock air filter is very restrictive! Also, the hole in the snorkle is rather small. If you don't want to vent the airbox lid (to stay more water proof), you can enlarge the snorkle hole.
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Jul 22, 2015 05:00 AM
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