Steve Northrop blackgpz at rochester.rr.com
Sun Jul 20 12:25:08 PDT 2008


Dave's right, it's a 35 pilot (stock), I was a little hung over typing the 
email, had a pool party here last night.

Steve in Western NY
'96 GPZ1100
'02 Daytona 955i
'08 KLR 650
"You Can't Fix Stupid", Ron White

----- Original Message ----- 
From: "David Beard" <davidebeard at comcast.net>
To: <gpzlist at micapeak.com>
Sent: Sunday, July 20, 2008 11:56 AM
Subject: Re:


>I second everything Steve said. Even if carbs look clean, remove and clean 
>the idle jets with solvent and compressed air and make sure they are stock 
>(35 I think, not 135 ) and blow compressed air through all the passage in 
>the carbs you can find. Adjusting float heights is not too difficult if you 
>have a manual and measure carefully. Sometimes a little grit under the 
>float valve or a worn ring around the tip of the valve will keep it from 
>seating and fill one of the bowls with gas, so make sure the seats and 
>float valves are in good shape. Also check the carb boots for cracks and 
>make sure you have all vacuum ports on the carbs that do not have a vacuum 
>line attached, plugged.
>
> At what rpm and throttle position are you feeling the bog? For instance is 
> it only at full throttle in the 2500 to 3500 rpm range or is it at 1/4 or 
> 1/2 throttle as well? Is there a slight improvement or does it get 
> slightly worse when the bike reaches operating temp? Adjusting carbs is 
> about 80% science and 20% art. Once everything else has been checked and 
> verified, a good carb sync may help as well.
>
> Dave B
>
> Steve Northrop wrote:
>>
>>
>> So here's a checklist:
>> 110 Main jet
>> 135 Pilot jet
>> Float height 18-20mm
>> No holes in diaphragms (hold them up to the light to look for holes)
>> Pilot screws 2 turns out
>> Stock diaphragm springs
>> No vacuum leaks
>> Good plugs
>>
>> If all this checks out, you should be good to go.
>>
>> 



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