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Old 01-09-2008, 08:18 PM   #1 (permalink)
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pitster 150 heads

does anybody know the size of valves are in the head of the 150 motors? how do they compare to stock KLX110 valves?

what about the cam? how does it compare?

looking for some specs so i can get a plan on what tweaks i want to do, just too lazy too tear it apart to find out, besides, them i cant ride it.
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Old 01-09-2008, 08:25 PM   #2 (permalink)
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Re: pitster 150 heads

Muster up enough motivation to read the YX build thread. It's all in there.
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Old 01-09-2008, 08:40 PM   #3 (permalink)
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Re: pitster 150 heads

yep terry's right! read thru all the info you need is in there.

http://www.planetminis.com/f21/gpx-1...ead-65534.html
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Old 01-09-2008, 08:54 PM   #4 (permalink)
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Re: pitster 150 heads

i tried a search about the 150 but didnt find any specs, i will try the link, i knew as soon as i posted this, i would be informed that there is indeed a forum about it, sorry......
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Old 01-09-2008, 10:06 PM   #5 (permalink)
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Re: pitster 150 heads

I believe the valves are 23/27
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Old 01-10-2008, 12:03 AM   #6 (permalink)
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Re: pitster 150 heads

Quote:
Originally Posted by magiksc View Post
I believe the valves are 23/27
Wrong....
try again.....
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Old 01-10-2008, 05:56 AM   #7 (permalink)
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Re: pitster 150 heads

28/23 valves, head is very similar to the tb head. cam has 7.2mm lift
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Old 01-10-2008, 11:07 AM   #8 (permalink)
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Re: pitster 150 heads

Quote:
Originally Posted by HACKMUNCH View Post
28/23 valves, head is very similar to the tb head. cam has 7.2mm lift
you wouldnt happen to know the stock KLX valve size would you?
what is the lift on the stock KLX cam?
what about the valve size on the kitaco SE head?

sorry to be a pain in the ass, i tried to read all of the thread but lost interest at page 7 of 16.

what i am trying to do is find a head for one of my project KLXs that already has a bore kit on it, dont need to make it as much as a SE kit, just a little more than what its got now, wondering if the head that i have on my pitster 150 would be a good bolt on or not, thinking about putting a 160 kit with a SE or roller head on my 150, want a little more bottom end.
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Old 01-11-2008, 12:43 PM   #9 (permalink)
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Re: pitster 150 heads

Quote:
Originally Posted by HACKMUNCH View Post
28/23 valves, head is very similar to the tb head. cam has 7.2mm lift
No, the head is similar to the KITACO 143SE
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Old 01-11-2008, 09:51 PM   #10 (permalink)
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Re: pitster 150 heads

No It Is Not, Last Time I Checked The Se Head Uses A Different Diameter Spark Plug.
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Old 01-11-2008, 10:51 PM   #11 (permalink)
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Re: pitster 150 heads

hack is correct the se head uses an 8mm thread spark plug and the valves are much lighter than the yx head

i have done this head(yx) on a bbr 160 klx. compared to a stock head it was much better BUT, it isn't an SE or +R head by any means
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Old 01-12-2008, 12:10 AM   #12 (permalink)
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Re: pitster 150 heads

Quote:
Originally Posted by dougtrip View Post
hack is correct the se head uses an 8mm thread spark plug and the valves are much lighter than the yx head

i have done this head(yx) on a bbr 160 klx. compared to a stock head it was much better BUT, it isn't an SE or +R head by any means


thanks doug, that is the answer i was looking for, gonna put the yx head on the klx BBK, and the SE head on the 150, the KLX is faster than the 150 now without a head, and want to step them both up a touch.

Thanks
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Old 01-12-2008, 09:00 AM   #13 (permalink)
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Re: pitster 150 heads

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Originally Posted by 76 VETTE View Post
Wrong....
try again.....
WTF...Sorry
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Old 01-12-2008, 09:21 AM   #14 (permalink)
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Re: pitster 150 heads

Just having a laugh with you......

Me solly too....

No man; I was just kidding, you're answer was close enough....
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