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Old 10-31-2012, 01:38 PM   #31323
Mikef5000
Beastly Adventurer
 
Joined: Apr 2008
Location: Columbus, OH
Oddometer: 2,030
Quote:
Originally Posted by fred flintstone View Post
I have looked but cannot find any info as to whether bikes which see pump failures are mainly

a) modified with exhaust FMF, airbox etc. and so running a great deal more fuel

b) run the tank dry often, or at least low

c) ridden mostly very hard and/or heavily loaded

d) all of the above.
The only one of those factors that would effect the pump itself is (b). Modifications and riding style make no difference, the pump is either on or off, not variable. Hot climates (or running hot) could be a factor as well.

This is quite common with FI dirt bikes though. A small amount of fuel (which acts as fuel pump coolant), mixed with lots of heat (stuck/slow riding), is going to be bad on a fuel pump, period. Regardless of bike/brand etc.
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