Yamaha Discussions about Yamaha ATVs.

YFZ Big bore ?!?!?

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Old Dec 6, 2005 | 11:26 AM
  #11  
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Default YFZ Big bore ?!?!?

would u say the time and money was worth it? Who did u work with? thx
 
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Old Dec 7, 2005 | 06:35 AM
  #12  
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Default YFZ Big bore ?!?!?

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.
 
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Old Dec 8, 2005 | 01:46 PM
  #13  
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Default YFZ Big bore ?!?!?

awsome i think i def will do it after the holidays

i can get that race fuel easly b/c i live by a drag strip (englishtown)
 
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Old Dec 9, 2005 | 05:34 PM
  #14  
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Default YFZ Big bore ?!?!?

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)
 
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Old Dec 9, 2005 | 11:17 PM
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Default YFZ Big bore ?!?!?

You can get a kit from max power Just dont go to the 99 mm bore they lose head gaskets stay with the 97 mm bore they run great I would not do anything without the oil mod IT WONT LAST
 
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Old Dec 10, 2005 | 12:46 AM
  #16  
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Default YFZ Big bore ?!?!?

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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Old Dec 10, 2005 | 10:01 PM
  #17  
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Default YFZ Big bore ?!?!?

YEAR AND A HALF!!!!!!

i was thinking a month

i cant afford not to ride for that long

who has a trun aroudn time of under 2 months and does that oiling mod i keep hearing about
 
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