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really high cold idle speed!!!

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Old 04-20-2006, 10:02 PM
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Default really high cold idle speed!!!

g'day all, its turning cold here in OZ, and the F4i is starting great, but it cold idles and 3000rpm, now is that normal?, what numbers do you guys get, Also have been through the honda workshop manual and cant find a thing on cold idle adjust, any help would be great...peace
 
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Old 04-20-2006, 11:06 PM
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Default RE: really high cold idle speed!!!

Mine idles at 2-2.5, i guess as long as it idles normal when it's up around a good temp then ur fine.
 
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Old 04-20-2006, 11:36 PM
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Default RE: really high cold idle speed!!!

me too about 2.5k
 
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Old 04-20-2006, 11:48 PM
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Default RE: really high cold idle speed!!!

mine does the same thing for a minute or so. Must be ok.
 
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Old 04-21-2006, 01:25 AM
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Default RE: really high cold idle speed!!!

same here. after a few days of not riding it jumps up to about 2-5 rpms on a cold start.
 
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Old 04-21-2006, 01:58 AM
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Default RE: really high cold idle speed!!!

The F4i works just like an auto choke...It idles that high if the engine is colder than 110 degrees i think. Dont quote me on that but I think thats about where it levels out.

Dont worry, its normal
 
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Old 04-21-2006, 02:42 AM
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Default RE: really high cold idle speed!!!

yup you'll be alright. now if when it starts getting warmer out and its still doing that, then thats when u might wanna get it looked at.
 
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Old 04-21-2006, 03:33 AM
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Default RE: really high cold idle speed!!!

cheers for that, it used to be around 2500, but i had the throttle bodies balanced at the dealer not long ago, and it jumped up to 3000, apparently it was low because the throttle bodies were that far out(bought it that way)... so havent been used to it, it returns to normal around 35 degrees celcius.... so must be ok.... though it does make you feel like you are being rushed!!!...thanks for the replies everyone....peace
 
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Old 04-21-2006, 04:35 AM
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Default RE: really high cold idle speed!!!

I'll verify what was already said, to warm the bike faster the auto choke sets it up to about 3 grand until about 100 degrees. You're totally fine.
 
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Old 04-21-2006, 05:44 AM
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Default RE: really high cold idle speed!!!

ya the auto-choke is cool
usually when the bike is cold... (i don't use it for a day)
it will warm up between 2,500-3,000 rpm
and after a ride and I don't use it for like 5 hours and it is below 99F it won't go up more than 2,000
and takes about the same time to reach 130F... the temperature I clutch and 1st gear
 


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