Rough tickover on honda cb600

leep · L Plate Warrior Joined: 26 Sep 2011 Karma :

Hi,
I have a problem with my honda cb600 hornet 2001 3700miles
On tickover it sound like it's running on 3 cyclinders with choke on its fine and when riding it's fine,
New battery, plugs fitted and i have given the carbs a quick clean but did not remove slow running pilots i suspect #1 carb because when started from cold all headers warm up exept this one? any advice please. thanks

Quornholio · World Chat Champion Joined: 11 Jun 2011 Karma :

Sounds like it's blocked. Mr. Green

Try undoing the affected carb's drain screw, and see if fuel comes through. You should turn the engine off, and turn tap to prime.

Wafer_Thin_Ham · Super Spammer Joined: 18 Nov 2005 Karma :

Blocked carb, or duff plug.
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Slacker24seve... · World Chat Champion Joined: 10 May 2010 Karma :

As Ham says, check the sparks and swap the suspect plug. If not, Hornet carbs are a doddle to split and clean properly Wink

Send me your email address if you haven't got the workshop manual and I'll fire one over Wink

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leep · L Plate Warrior Joined: 26 Sep 2011 Karma :

It was the same with the old plugs in they had only done less than a 1000miles but with standing over last winter and running it up every few months i thought it may have fouled then up, but they looked perfect but i had already got new one's so i've put them in. so i will pull the carbs tonight after work hopefully, thanks for the advice i will report how i get on. thanks

leep · L Plate Warrior Joined: 26 Sep 2011 Karma :

Hi, just pulled carbs off removed #1 pilot and it looks clean i could see light through it ? soaked it in some carb cleaner and blew it out with the airline and the jet inner did seem larger after.
when the fuel goes through this pilot jet does it come out the small hole on the engine side of the butterfly is this right?
Can i spray carb cleaner in the place where the pilot screws in and blow with the airline?
Because i can see this jet was not completely blocked could this still cause my rough idle?
thanks

leep · L Plate Warrior Joined: 26 Sep 2011 Karma :

Carbs cleaned and back on but still not smooth on tick over sound like it intermittently runs on 3 maybe slightly better, Have not checked plugs yet but they are brand new NGK irdiums,
is there any thing else to check? i've just rebalanced the carbs.