Dynojet kit

Paul Heim SuprHtr at columbus.rr.com
Fri Jul 17 03:12:23 PDT 2009

I took list advice from the beginning and never even tried the DynoJet 
springs, and I still had a lean spot at 3500.  If it still stumbles after 
you put back the stock springs, the needle height needs to be increased.

Paul in Ohio
----- Original Message ----- 
From: "Steve Northrop" <blackgpz at rochester.rr.com>
To: "Alan Nicholls" <metrogtiguy at gmail.com>; "GPZ LIST" 
<gpzlist at micapeak.com>
Sent: Friday, July 17, 2009 12:16 AM
Subject: Re: Dynojet kit

> Alan, has nothing to do with the jetting. Did you replace the stock 
> diaphragm springs with the ones in the kit? If so, that is your problem. 
> Put the stock springs back in and your stumble will be gone.
> Steve in Western NY
> '96 GPZ1100
> '08 KLR 650
> '08 Tuono Factory
> "You Can't Fix Stupid", Ron White
> ----- Original Message ----- 
> From: "Alan Nicholls" <metrogtiguy at gmail.com>
> To: "GPZ LIST" <gpzlist at micapeak.com>
> Sent: Wednesday, July 15, 2009 11:27 PM
> Subject: Dynojet kit
>>I installed a Dynojet kit on my 95 GPZ the other day, to compliment my
>> Micron exhaust...  And, now my bike stumbles like crazy!  I've taken the
>> carbs apart twice now and double checked that everything was kosher, and 
>> it
>> is.  I have to blip the throttle from 3k to 5500rpm, and then it revs 
>> great.
>> But, transitioning past 3000, it will studder, stall, and just outright
>> misbehaves!  Any clues?  The bike only has 2800 miles on it, and ran like 
>> a
>> champ with the stock jetting.

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