SOHC.co.uk Forums > CB350/400
starting issues
Oddjob:
The point I was trying to make Nige was that IF the float needles were leaking or the float height was incorrect then that 5 min wait could be making things much worse or even be the source of the problem.
K2-K6:
Yes agree with your thoughts Ken, it should show with wet feet though :) out through the overflow tubes, if they are letting by.
Interesting to hear if there's any improvement after the checks done and work on carbs.
Ariel-KH-500:
When I posted regarding my starting issues I said that I would report back so here goes. Carbs taken off bike completely striped the carb bodies have been ultrasonic cleaned along with all the jets. The carbs then reassembled new O rings and slides set up on the bench, then refitted to the bike and all set up with vacuum gauges, bike started ok and ran fine, after leaving it for a few days went to start it and just like before turned over 2/3 times then fired but didn't start after a few more attempts it fired but rather lumpy the chiming in on all 4 once running it runs fine. I'm at a loss to think why as if I try to start it after a few hours it will start fine its only when it has not been started for a few day any ideas Kevin
McCabe-Thiele (Ted):
Just my thoughts,
A retarded engine can be slow to start, is the timing correct for both 1/4 & 2/3?
Check no air leaks between engine & carbs.
Do you know the compression readings?
K2-K6:
A couple of things to try in helping analysis and find out effect.
1) spray E-Z-start into airbox prior to cranking and see if there's any change to how it initially fires when cold.
2) cover airbox entry (thick rag or similar) and crank with kill switch off, just for a few 5 second bursts, then remove rag, switch on and try to start. Again, to observe if there's any immediate change in willingness to fire when cold etc.
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