Re: backfire/missing when cold

Posted by seestheday on Oct 08, 2011; 10:10pm
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/backfire-missing-when-cold-tp3397125p3406345.html

Ha,
No I won't be riding through the winter. I'm in waterloo ontario, so I will be getting plenty of snow. I plan on working on the bike through the winter when I can't ride :-).

Thanks for the tips.

I switched in iridium spark plugs and at first it started great, but quickly started to run rough and stalled. I don't have a new air filter yet, so I think the mix is running too rich, and won't be fixed until I get my new air filter. None in stock locally for a reasonable price so I'm ordering one tonight along with some other parts I've had my eye on.

Sent from my BlackBerry device on the Rogers Wireless Network

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From: "free2ride [via Honda CB750'S]" <[hidden email]>

Date: Sat, 8 Oct 2011 10:39:07 -0700 (PDT)

To: seestheday<[hidden email]>

Subject: Re: backfire/missing when cold

seestheday wrote:

Hi Guys,
I have been having some battery/starting issues lately with the weather here in Canada getting colder

well there's your problem right there -- Canada -- it just gets too cold too quickly here!

As usual when it's cold it didn't start right up and I had to hold the starter down for a while before it really started firing well.

this is totally normal.

I ran it gently for a few km's and then after warming up some more the problem seemed to go away.

normal until the bike is warm

Everything was fine until I hit around 4.5K rpm's and it started to miss/backfire . . . I tried to start moving again and the backfiring/misses started again.  

a theme coming here . . . normal for us Canucks

I was planning on working on the bike throughout the winter and wanted to use the time that I have left to ride.

OK, you aren't near to me . . . I certainly won't be riding through the winter!

I have discovered [ymmv] . . . that once we hit the middle of September it takes a lot more time for my bike to warm up. full choke to start, easing off gently until it is fully off [been told that driving with the choke on will foul the plugs] and RPMs at ~1500 . . . then I'm usually good to go.

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