Quote:
Originally Posted by JacRyann
Bill’s onto something here! Yes, test fuel flow to carbs.
I had this exact problem on my race bike last year. Took a lot of cranking to start. Would die at low-speeds or idling. Turned out I had a kinked vacuum hose going to petcock. It would only let enough vacuum through when engine was revving. At low speeds and idle, kink would limit vacuum and petcock would close up. Leading to dying engine within 20-30 seconds.
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Yes I just did what Bill suggested. Even though the bike was running before, it seems now there is no fuel going to the carbs (opened the drains and cranked it, nothing came out), also no fuel in the fuel line to the carb. The inline fuel filter is clean as a whistle.
The vacuum line looks fine but Ill go ahead and replace it anyway.
I checked my battery and it is reading 12.8 Volts before cranking, and about 11.xx volts while cranking. I checked all my fuses and they are intact, and followed the connections, everything seems proper. There is a little corrosion/rust over a bolt connecting to the 30 Amp fuse. Before my bike broke down, I thought it was my battery that wasnt holding a charge (before I replaced the battery in my multimeter and actually checked it), because my friend was following me and he said that my tail light was flickering. My battery was good thou, to be sure I hooked it up to a brand new one but it still wouldnt start (but maybe because of the issue of getting fuel to the carbs).