EVO All Evo Model Discussion

mikuni, accel pump

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Old Nov 23, 2008 | 04:39 AM
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Default mikuni, accel pump

hi to you all, i run a mid 80s 1340 evo with a mikuni flatside carb, the bike runs sweet but starting from cold can be a pain. i suspect that the fuel accel pump isnt working can anyone confirm that with the air cleaner off and looking down the throat of the carb with the engine not running,should i actually be able to see petrol squirting from the accel pump nozzle? when i twist the throttle ?. because nothings happening ....once warm bike starts easy. choke is working ok. hope this makes sense your thoughts appreaciated cheers
 
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Old Nov 23, 2008 | 07:25 AM
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Some carbs (mostly older auto) have a vacuum actuated accelerator pump, but not the case here. You should see fuel squirt. Here's the company instructions in pdf. form:

http://www.mikuni.com/pdf/hs40_manual.pdf
 
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Old Nov 23, 2008 | 08:03 AM
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thanks for reply and confirmation, thought you probably should see something but niceto have it confirmed, looks like it could be the problem, thanks for the link very usefull,, cheers
 
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