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Old May 10th, 2017, 04:22 PM   #14
DannoXYZ
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Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011

Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C

Posts: A lot.
MOTY - 2018, MOTM - Nov '17
Hello and welcome!

Dark plugs could just be from starting it up and stopping it quickly without riding to a full warm-up. On those, I just rub some sandpaper in the spark-plug gap to rub off the carbon.

As for not starting, usual test:

- air
- fuel
- spark

Do you have all three?
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