Questions about HP - Yamaha R1 Forum: YZF-R1 Forums
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post #1 of 6 (permalink) Old 11-21-2012, 08:09 AM Thread Starter
Just made this great wheelie.. did you see it?!
 
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Questions about HP

I had a few questions about my bike... I bought an 05 earlier this year and it is said to have the following upgrades to the motor..

Ported/Polished Head
Thinner head gasket
Web Racing Cams

With just those including full exhaust, PC3, and velocity stacks ( I'm not sure if it has these or not, haven't had a chance to look) What kind of HP numbers am I looking at?

Sidenote... Is there any way to notice if it ACTUALLY has these items without taking the engine apart? I believe the bike sounds a bit "different" than what a stock one sounds, but I suppose that could be anything.

Any help with the bare bones info. I've given?
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post #2 of 6 (permalink) Old 11-21-2012, 12:09 PM Thread Starter
Just made this great wheelie.. did you see it?!
 
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I know quite a few of you have motor work done, How big of a difference did cams and head work make on performance??
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post #3 of 6 (permalink) Old 11-21-2012, 12:14 PM
para bellum
 
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dyno the bitch!!! With a good head job, you're looking at 10-15 hp gains alone. so you should be in the 170-180s.



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post #4 of 6 (permalink) Old 11-21-2012, 12:24 PM
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Originally Posted by Kangaroo View Post
dyno the bitch!!! With a good head job, you're looking at 10-15 hp gains alone. so you should be in the 170-180s.
yep....and bring it to the track next year with us....if you can walk all of ours on the straight...you've got a little extra under there

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post #5 of 6 (permalink) Old 11-21-2012, 12:29 PM Thread Starter
Just made this great wheelie.. did you see it?!
 
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yep....and bring it to the track next year with us....if you can walk all of ours on the straight...you've got a little extra under there
Haha!! I'll just throw it out there that me walking you guys at all is NOT going to happen...

I'd love to take it out to the track, But i'm a little skeptical.

z064life I talked to you a little about my skepticism and running an R1 as a first track bike... I've got a few more questions regarding running a R1, but I'll save those for a PM to you if you don't mind my stupidity..
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post #6 of 6 (permalink) Old 11-21-2012, 12:30 PM
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Originally Posted by MMMichael View Post
Haha!! I'll just throw it out there that me walking you guys at all is NOT going to happen...

I'd love to take it out to the track, But i'm a little skeptical.

z064life I talked to you a little about my skepticism and running an R1 as a first track bike... I've got a few more questions regarding running a R1, but I'll save those for a PM to you if you don't mind my stupidity..
There are no stupid questions...just stupid people asking questions

Ask away

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