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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc.


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  #11  
Old 12-14-2018, 06:06 PM
memphis2857 memphis2857 is offline
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Originally Posted by risk74 View Post
Do they require some sort of squish measurement before purchase of the billet head? I am looking at getting one, but wondered what was needed prior. Thanks.


No. Just call him and tell him what you’re looking for as far as power delivery and so on. He will build the insert specifically for your needs.


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  #12  
Old 12-14-2018, 09:54 PM
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Originally Posted by Wuzofoz View Post
Have a 42 pilot and NECW on 3rd clip installed. Plug chops say it?s rich but less power if I lean it any more
Plug chops mean nothing away from road race track and then only for mainjet.

Surely any tuner would want careful squish measurements. The older bikes have a wedge shape which needs correcting to parallel.
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  #13  
Old 12-14-2018, 11:15 PM
Wuzofoz Wuzofoz is offline
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Memphis. I?ll give that needle a try.

GASGASCWB I was looking at that one untill I found out the GP bikes stock head comes with the same chamber design. I?ve been informed by a good tuner the problem I have is the chamber and there is not enough meat in the stock GP head to correct it. He advised to get a stock EC head and send to him

(F5). Was wondering the same about squish. In the corospondace they said it would be shipped the following day. I figgered I could have it done myself at a later date.
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  #14  
Old 12-15-2018, 01:45 AM
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For giggles read this


http://www.gasgasrider.org/forum/showthread.php?t=16560
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  #15  
Old 12-15-2018, 11:41 PM
Wuzofoz Wuzofoz is offline
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Thx F5 that was a good read. Wish I had the tools to have a play.
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  #16  
Old 12-21-2018, 11:25 PM
Wuzofoz Wuzofoz is offline
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Fitted the N3CH needle with 42 pilot and 180 main. Rode the bike today and the bottom end is improved.
Thx to everyone for their input. I will get this head as well (never to much torque in the rubbish I ride) but the bike is working well in the snotty stuff and a weapon when the trails open up
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  #17  
Old 12-31-2018, 07:18 AM
risk74 risk74 is offline
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Originally Posted by memphis2857 View Post
I went for the billet head and it was worth every penny. Power improved across the board drastically, and overheating is near impossible now.


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Just wondering, on the billet head, did you have to do some re-plumbing of the coolant hoses? From the picture on the RK Tek website it appears there is only one spigot on top of the head. My 2011 has the bolt on flange with one spigot for either side radiator hose to attach to.

Also, did you have to go with shorter head bolts? These are both problems I ran into when trying to run the piece of shit XIU head and considering this head is twice the price, I want to know what I'm getting into. Thanks.
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  #18  
Old 12-31-2018, 07:51 AM
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I don't think they make a billet head for the pre '17 bikes.
They would modify your existing head.
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