YFZ Big bore ?!?!?
#12
I would say it is definitely worth it. The bike preforms well and is still reliable. The only downside is the need to run racing fuel to control the temp. I love it, tons of torque. Call CT and ask for Allen, he can answer all you questions. I hate Dyno numbers since they are all different, but mine pulled 53hp and the jetting was a touch off.
#14
okay so here is the main idea
should i get a sparks 460 kit, the trinity kit (500cc), or wut
i want to send my motor out and have them do it
i dont want to go over 1300 (sparks 460 is 1000 installed)
should i get a sparks 460 kit, the trinity kit (500cc), or wut
i want to send my motor out and have them do it
i dont want to go over 1300 (sparks 460 is 1000 installed)
#16
f- all this BS. sparks is a superior builder and will not dissapoint but the turn around time is a year and a half. KMS makes reliable more, better than any big bore ever will be. if it were me and i owned the 450 and wanted to make it go faster i would purchase the ESR kits, they are top running bikes at the drag races(FSWS). also the kenz cycle tech 450 are hella fast.
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Sep 25, 2015 01:39 PM
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