KLR -Surging at 4000rpm

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salvage

Pack Dog
Joined
Oct 13, 2011
Messages
268
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Location
DURBAN
Bike
BMW F800GS
Hi Guys , bit of advice needed .
Have looked under the KLR tech section and note that this seems to be quite common, bike has 6k on it(2011) , have done airbox mod and pooratech tail piece mod , I find that on a freeway at around 4000 rpm there is a surge and then starts to "pull again" , the air filter is clean. I was going to turn the air screw in 1/4 turn and try but have read that raising the needle with washers seems to be the fix ,so dont know which to try and if someone could clarify about how to go about the washer mod it would be appreciated - thanks
 
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