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About Mike Wells
Expertise
PLEASE READ BEFORE ASKING A QUESTION!!! I CAN ONLY ANSWER QUESTIONS ABOUT HARLEYS !!! I DONT KNOW ANYTHING ABOUT OTHER MODELS!!! I have a Harley only shop with 30 years experience located in Ohio. We specialize in complete and total repair, restoration, hi-performance, and custom bike building. I can work on Flat Heads to Twin Cams. Please, dont ask how much somthing is going to cost to fix. Labor prices differ all over te country as well as shop to shop!

Experience
Engine rebuilding (can be shipped), Trans rebuilding (can be shipped), Restoration, Custom bike building

 
   

You are here:  Experts > Shopping > Motorcycles > Motorcycle Repair > EFI tuning

Motorcycle Repair - EFI tuning


Expert: Mike Wells - 11/28/2008

Question
QUESTION: I recently put Rush slip ons and an Arlen Ness Stage II air filter on an '08 FLHTC.  I am attmepting to tune it using the Arlen Ness Big Shot fuel tuner.  It idles and runs well in easy conditions. I am getting some popping on decel and a louder pop after some hard accel when letting off the throttle to shift.  I enrichened the decel mixture mode slightly and still have the popping.  Can I continue to richen the fuel to alleviate the popping on decel and during hard accel?

ANSWER: Do the slipons that you installed have baffles or are they just straight pipes?
Mike

---------- FOLLOW-UP ----------

QUESTION: Yes they have baffles. 2.25"

Answer
the popping is from not enough back pressure which will cause a build up of gas in the exhaust. richening it will not solve the problem. you will probably have to install torque cones in the exhaust or get bigger baffles to get it to stop popping
Good luck and happy riding
Mike

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