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Post Info TOPIC: 8bhp ~ 14bhp powervalve restriction (diamond shape PVonly)


DTR Senior Member

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8bhp ~ 14bhp powervalve restriction (diamond shape PVonly)
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The powervalve on this model can be set in 6KW(8bhp) Or 11KW(14bhp).

8bhp :



14bhp :



Diamond style powervalve:



Just read this on the german forum and thought i'd add it here. (not sure if this has been mentioned before? )





-- Edited by dtrdave on Wednesday 1st of September 2010 05:15:13 PM

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Nonce

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pics not working


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DTR Senior Member

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They were working fine for me ? Probably 'cos i was hotlinking them...anyway, fixed now.

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Guru

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Working for me, AHHHHHHHHHHHHHHHHH thats what DeeTee meant ages and ages ago, I had no idea what he was on about because mines like an oval not like that.

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Yamaha DT125R - 2003



DTR Respected Member

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What DT's have this powervalve?
Which years?

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Guru

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Where can I get one smile.gif!!!!!

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DTR Respected Member

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OMG thank you soooo much for posting this i had no idea what the setting for fully opened ports/valves was the bikes band after 6k revs at like 50mph was non existent and would struggle to get past 60mph ( bike is sitting at full power and able to go much faster b4 this :P ) realised this was the cause of my problem

next problem i have the lost the 2 bolts for the casing face, center bolt and the plastic thingy in the middle is there a site tht deals with these specific parts?

thanks :D

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DTR Senior Member

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I believe this is for 2003 and up DT's? From the pic it does look like the newer shape engine/powervalve slot mine (1993) doesnt have the bike "casing" around the valve, just a cap

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Guru

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I was talking to someone the other day about this and thought yes I heard of it as its on the forum I go on...............Buttttttttttttt does anyone know where the hell to get these from or website etc etc etc just to see the cost of it, funny thing is though the bloke I was talking to say he had an 88 DT back in the day and when you changed the powervalve it gave you 27bhp straight away???

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