Mine ('84 700SC) behaves somewhat like that. I actually can't use full
choke (too rich!), but at about half choke on a cold start, it takes about
5-10 seconds below 1000 before running up to 1500.
Viggy
On Thu, May 20, 2010 at 8:37 AM, Michael K <[email protected]> wrote:
> Hello, everyone. A new member to the board and a happy new owner of a
> '83 650.
>
> I was wondering about idle speeds on a cold start.
>
> I have no issue with starting and waiting for the bike to warm up,
> helps the bike and I get focused for the ride, but I do want to ask
> about where do your bikes idle when first started cold / with choke
> fully on? With no throttle, mine hovers right around 700/800rpms (and
> frequently dips too low, necessitating a restart) for a minute or two
> before it begins to warm up. I sometimes give it just the barest
> minimum of throttle in hopes of keeping it from dying, but as you
> know, throttle and full choke aren't really complementary, so its up
> in the air how much that really helps.
>
> Eventually when the idle nears 1500 I bring down the choke in
> increments until it idles around 1000 when off fully. Then it's time
> to ride!
>
> Does that seem about standard for your 26 year old bikes?
>
> Caveats/details - fuel flowing freely w/ vacuum, air filter/box clean,
> spark plugs in great shape, choke is activating fully according to
> measurements from the Honda Service Manual. Carbs may very well need
> to be better sync'ed / cleaned.
>
> Really pleased to see this community is here! Lots of expertise mixed
> with good humor - a solid combination. This is my first bike and it's
> becoming quite the love affair already.
>
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