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Zx6r g2 - Warm up temp

2K views 12 replies 5 participants last post by  DrSanchez 
#1 ·
Hey, absoulutely love riding my 1999 G2, but only once its warmed up. From cold it takes 10 minutes for the LCD temperature gauge to reach 4 'bars'. This feels too long, but If I try riding it before it reaches this temperature, the bike cuts out when slowing down at lights etc. Ive changed all the filters, drained the float bowls, changed fuel pump, but am beginning to wonder if its just the way it has to be with a 20 year old bike?
Any advice would be welcome??
 
#5 ·
Where is your warm idle set? How long does it need choke on a cold start? Have you tweaked the mixture screws to richen up the idle circuit a bit? Ever properly cleaned the carbs?

If there is a big change in idle speed between cold and hot and it won't run without the choke when cold then I would guess you have some gunked up pilot jets. Next time you you do a cold start feel the headers to see if all of them get warm at the same time. If one stays cold then that idle circuit is blocked.

I'm in Canada and my 98 never reaches 4 bars on the temp gauge unless it is a warm day and I'm at town speeds. Stays at 3 bars all day when on the highway even in 25+C temps. Cold starts need maybe 30-40 seconds of choke, then will idle fine without. I can ride away with no issues a minute after that with one bar showing on the temp gauge. You should be able to do the same if everything is right.


Mark
 
#6 ·
I have just ordered Seafoam, tried Rydex before with no change. But hey ho its worth a shot. Thanks for your help.

Steps I use when starting in Summer and/Or Winter

From cold:
Full Choke, starts first time/no gas/ Revs to 2000 then down to 1500, revs began to fade, a little gas is then needed to maintain revs at around 1500. I then gradually close off the choke - usually fully off within a minute of starting.
Once One bar is shown in temp gauge, the gas can be left alone and the bike works its way up to idle speed after 10 minutes/4 bars on temp gauge. The revs will bob up and down, until after this time, the revs level off and maintain idle at circa 1750.
Ive set the idle a bit higher than norm at about 1750, it just behaves a bit better at this setting when riding.


I havent fully cleaned the carbs or tweeked anything. Unfortunately the bike came with no service history too
 
#7 ·
Clean the carburetors and do a proper tune up to start with...........

probably fix all the ailments

first thing you should always do with any new to you, used piece o shit you have no idea what the previous rejects neglected!
 
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