Help from anyone with a DR650 and Scorch or free-flow pipe?

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Munro39

Puppy
Joined
May 20, 2012
Messages
23
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0
Location
Cape Town, SA
Bike
Suzuki DR650
Hi guys,

Recently bought a DR650 second hand with a Scorch pipe on the back. Getting terrible fuel consumption and I've spent a lot of money trying to get it sorted. Still no luck. Did compression tests, valve clearances, carb was reset etc. etc. Still got the same (12-13km/l) fuel consumption, still got black spark plugs, and still unhappy at the moment!

My question is, how should the carb be set with such an exhaust? I know that it still has the stock jets, needle etc. Does anyone with a scorch or free-flow how their carb was set up to accomodate a new exhaust? Could that be causing me to burn more fuel?
 
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