3TJ carburetor setting

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enduro250
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Joined: Fri Jul 18, 2014 12:31 pm
Bike owned: FZR 400 RRSP, FZR 400 RR (2)
Location: Tirol, Austria
3TJ carburetor setting

Post by enduro250 » Wed Sep 14, 2016 2:38 pm

Hi all,
I have prepared my carbs for the dyno run of my 3TJ.
Hope, I have done all needed changes.
- changed jet needle
- changed main air jet
- needle position = 3.5
- modified suction piston, 3mm hole x 2
- prepared some sets of main jets
One question left:
In the Race Kit Manual is a "suction spring" listed (3TJ-14933-70), guess it is a diaphragm spring.
If I compare with the standard spare part list, it is 3TJ-14933-00.
Do anyone knows the difference?

Found a 3TJ-14933-40-00 diaphragm spring in a Yamaha YZ (MX), looks much shorter.
Is the length the difference?
THX for all answers.
BR

Evilchicken0
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Bike owned: Bimota SB6 Yamaha FZR 3TJ x2
Location: Lundin Taan
Re: 3TJ carburetor setting

Post by Evilchicken0 » Wed Sep 14, 2016 9:19 pm

No idea, but there's a set up manual for the Standard 3TJ RR SP in the document library of this website. There's a link at the very top of this page


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