Author Topic: Jetting specs.  (Read 1386 times)

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Offline firko

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Jetting specs.
« on: August 13, 2013, 09:55:15 pm »
Does anyone have a good starting point for jetting a 36mm VM Mikuni on a TM400 Suzuki. The motor has blueprint port work, full circle rank and standard ignition with extra 2kg weights.
I bought  new 36mm to replace the 34 that was on it so I'm starting from scratch.
'68 Yamaha DT1 enduro, '69 Yamaha 'DT1 from Hell' '69 DT1'Dunger from Hell, '69 Cheney Yamaha 360, 70 Maico 350 (2 off), '68 Hindall Ducati 250, Hindall RT2MX, Hindall YZ250a , Cycle Factory RT2MX flat tracker, Yamaha 1T250J, Maico 250 trials, '71, Boyd and Stellings TM400, Shell OW72,750 Yamaha

Offline Lozza

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Re: Jetting specs.
« Reply #1 on: August 13, 2013, 09:57:54 pm »
Phew I'd have to look but either a 60 or 65 pilot, the needle from the TS standard carb(fairly lean) and around a either 280 or 380 main.
Jesus only loves two strokes

Offline micks

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Re: Jetting specs.
« Reply #2 on: August 14, 2013, 11:38:12 am »
pump petrol or methanol

Offline firko

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Re: Jetting specs.
« Reply #3 on: August 14, 2013, 11:43:02 am »
Petrol Mick
'68 Yamaha DT1 enduro, '69 Yamaha 'DT1 from Hell' '69 DT1'Dunger from Hell, '69 Cheney Yamaha 360, 70 Maico 350 (2 off), '68 Hindall Ducati 250, Hindall RT2MX, Hindall YZ250a , Cycle Factory RT2MX flat tracker, Yamaha 1T250J, Maico 250 trials, '71, Boyd and Stellings TM400, Shell OW72,750 Yamaha