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Old February 4th, 2022, 04:24 PM   #26
spotmaxdog
ninjette.org member
 
Name: Terry
Location: Pensacola FL
Join Date: Jan 2022

Motorcycle(s): BMW R1200GS, R1100S, Suzuki GR650, Ninja 250 Pregen

Posts: 24
Tried to run it today and it ran like garbage. Couldn't get above 1500rpm on choke, died on choke.

So what the hell? IR thermometer showed the culprit... cylinder 2 is dead!

400F on the left cylinder exhaust and 120F on the right, that's not right.

I've got acceptable compression, haven't touched the carbs since last time and they have fuel in the bowls, and both spark plugs are firing outside the engine.

Left spark plug reads normal and the right one is oily and black. Timing is good (if it was bad it should not run on any cylinders). Maybe the plug is crudded up and isn't making a usable spark in the cylinder? Going to get new plugs and try again later.

This bike... always something.
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