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i have a question??

1618 Views 14 Replies 5 Participants Last post by  trx450r
ok i plan on selling my 300ex and buying a trx450r very soon.. i will be putting it in the local mud runs to try to win some money.... when i get it i plan on puting some performance upgrades in it... i wanted to no if a small bore long stroke would be better than big bore smaller stroke??
need help
thanks in advance
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Just can't beleive anyone would do that to a TRX450R or ER their made for MXing and Cross country racing and the sand dunes
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