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- Black Diamond Power Valve Plus - F1000 - Arctic Cat - Sled -

Anyone running these?

I may be a bit of a newbie to F1000's but it seems like the exhaust valves can be a PIA when they get gummed up or cables get streched or whatever.

What are the cons in running these? Loose low end power or? would they not be suited for a trail performance sled?

What do y'all think?
 

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Loss in low end
Loss in mid range
Same up top
Significant loss of fuel mileage.

With the right oil set to the correct ratio, valve service is minimal at the most. Been way over 3000 miles since I'd done them in my 800 HO, valve came out clean enough that it required a half hearted wipe to be mint. If the valves stay free moving, little to no cable issues.
 
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