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Anybody know anything about these big bore kits? Quadzilla I thought you might like to see them if you haven’t already.

88-90 LT500

87 LT500
 

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lt530

ok i have a 87 quadzilla and it is bored .100 over and i am tellign you it is plent enough engine for me anyways that makes it a 530 and my local dealer todl me you could take a lt500r 140 over and if i am right that would make it like a like a 540 or close to that and trust me that weould be plenty of big bore so instead of buying a hole big bore kit just take it and have it bored 140 over and get you some new and stronger studs tho for you cylinder
 

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87quadzilla_guy said:
ok i have a 87 quadzilla and it is bored .100 over and i am tellign you it is plent enough engine for me anyways that makes it a 530 and my local dealer todl me you could take a lt500r 140 over and if i am right that would make it like a like a 540 or close to that and trust me that weould be plenty of big bore so instead of buying a hole big bore kit just take it and have it bored 140 over and get you some new and stronger studs tho for you cylinder
true you can bore it to .140 but be careful cause then your sleeve is real thin.when you bore up on a stock sleeve the power gain from first to last bore are not that much.a big bore on that bike of yours would require a case splitting and Ive seen these things,they are so so fast!
 
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