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-   -   Bike only starts with choke & no throttle response (http://forums.sv650.org/showthread.php?t=70029)

SpankyHam 25-04-06 12:42 PM

Bike only starts with choke & no throttle response
 
I had this the through the whole winter months. I put it down to the cold weather.

But it's warmer now & the bike still only starts with the choke on full & I have to leave it in for about 30 seconds, keeping the revs @ 2500.

It just won't start like it used to with just 1/4 turn of the throttle. - when I do that it starts, makes some knocking noise coming from the carbs then idles @1000 rpm & stalls. If I turn the throttle almost nothing happens.

I already tried increasing the Idle to 1500 rpm. So once the engine is warm it idles @1500 rpm.

Ideas ? :?

jambo 25-04-06 01:51 PM

Check that all cables are adjusted and lubed correctly, check for the good old sticking choke, check plugs, air filter, carb ballance and other serviceable items that can lead to grumpy engine running characteristics. Some people have claimed that platinum or other high end spark plugs help morning manners....

Sorry for the "shotgun" post, but a few thoughts.

SpankyHam 25-04-06 01:53 PM

It's not even the morning starts....

I start the bike in the morning)6:00, then at lunch break 11:00 & 12:00 & then at 15:00 again. And I always have to use the choke...

sabestian 25-04-06 02:53 PM

Quote:

Originally Posted by PatrickUK
It's not even the morning starts....

I start the bike in the morning)6:00, then at lunch break 11:00 & 12:00 & then at 15:00 again. And I always have to use the choke...

Isn't the choke supposed to be used that way? I start the bike at 8 than at 1, 2 and 6 and only for 2pm do not use the choke. Am I doing something wrong than? :oops:

BILLY 25-04-06 03:44 PM

Even in summer I have to use a little bit of choke to start!!!!!

SpankyHam 25-04-06 04:07 PM

before this winter, my bike would only need the choke if it wasn;t started for more than a week.

xj/frosty 26-04-06 07:57 AM

my suggestion would be as above-- give her a birthday.Toss a new set of plugs in her ,a new air filter and give the carbs a bit of a clean out.

GSXR Carlos 26-04-06 12:23 PM

unless i've only justed stopped my bike or the engine's warm i almost always start it on choke, must admit to not having ridden much in this nice weather though :wink:

SpankyHam 30-04-06 03:21 PM

Problem solved.

new plugs, (Iridium NGK)
cleaned the K&N re oiled & removed the foam under the tank
used NOS fulel system clean

Adjusted the idle down to 1300 rpm


now:

Great throttle response.

Bike starts without choke again no problems

:lol:

Razor 30-04-06 03:38 PM

Where do you get NOS fuel system cleaner?


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