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OT - idle problems w/ lil' ol' Honda.
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Drinks, pretzels, & lap dances for everyone:
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Uh Lap dance? are you going to where heels?
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So last year me & the girl decide it's time for her to learn to drive a
motorcycle so I dig out the '81 Honda CM200 for her to learn on. Drain all
the old fluids, new plugs, new battery, and start getting it run a bit. Long
story short: the day ended sooner than expected, life got in the way of life
until today (a year later) and so I'm trying to get it going now. Pulled the
carb, cleaned it, changed fluids, new plugs and got it running...sorta. The
bike will run ONLY if the choke is fully engaged. The 1 year old battery is
probably shot as it won't hold a charge. Thankfully the bike has kick &
electric start. The battery won't even turn the motor over.
The carb & jets are definitely clean, OTHER than the battery can you think
of anything else that would require the choke to be pulled all the way out
just to keep it running. If I push the choke in & try to keep it running by
revving it, no dice. It sputters out.
So I'll accept the flames for posting this here, but I've found this group
to be quite resourceful, especially for single cable Keihin carbs.
Thanks in advance, enjoy the munchies.
Lee-Bro
Early '84 Ironhead
('81 Honda Twinstar first street legal, now hers)
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I had a CM250 that did exactly the same thing. After rebuilding the
carb, replacing all the soft parts in the carb. Including the diaphram
for the slide. It ran much better but still needed the choke just a
little bit to idle. I put some fuel injector cleaner in the tank ( a
fairly strong mix). Then I went out on the highway and ran it as fast as
it would go, this was only about 55mph. I then worked the choke on and
off a few times. ran some more full throttle and then let the throttle
snap shut a few times.I alternated between throttle and choke like this
for a while. Trying to get the cleaner into all the passages. after
about 50 miles it would get up to 75mph. So I just enjoyed the ride till
I hit reserve, when I stopped for gas it would idle.
After returning home a minor adjustment to the idle and idle mixture.
Problem solved. Yeh I know you will not find this procedure in any shop
manual.I was recomended to me by a mechanic who at the time was working
for the city of washington d.c. They had a large fleet of Honda CM450's
and they would do the same thing after sitting during the winter.
aparently this is a common thing with the Hondas of the 80's
You can avoid all of this by replacing the carb.
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