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Did you ever find one of these heads. I just ordered one. Hope it wakes up my 800

Long screwdriver and some swearing and out it came. Hope the engine tech on works as good as the powder freaks

Got it figured out

How are you guys installing the billet thermostat. I have the exhaust out just trying to figure out the best way to get to it. Was thinking maybe pulling the chain case

Well I think I will try this stuff out. I’m not looking to go to the top of the mountains anymore. Just a little extra hp

Kingkat162 did it make much of a difference. I think a lot of it is because of the extra compression at altitude

No turbo for me. I just sold my turbo m 1000

Ha anyone tried Powder Freaks head on a Etec engine. I was talking to him he says 5 hp peak. Also suggested a sleeve in the pipe, and SLP Y pipe. Also thinking about his billet thermostat

When my boy was 12 I started him out on a 2008 f5. It’s had electric start and reverse. Put a 2” 136 under it. He road the crap out of it.

Hoping to bring camp in on the 14th. Hope the loop is frozen

If I pull the rave valves do they need to be resynced

Thanks for the information

cool thanks

How much for the engine

I got a buddy who blew the top end on his 800 Etec. I’ve never done one, but have rebuilt 2 stroke dirt bike engines. Is there a website on how to take these apart. I’m more worried about the injector system then anything. Thanks

Kibbels what does he want for it

How did the 872 perform. Is it worth it

Would that be the 927 in the G4

Looking for information on the tygstad 872 big bore. How well do they perform. They claim 186 hp. Anyone have one on here. How do they stack up against the 850 doo

Got one ordered with Ray. Thanks