OzVMX Forum

Clubroom => General Discussion => Topic started by: fatboyracing on August 25, 2011, 07:30:55 pm

Title: DT1 Carby
Post by: fatboyracing on August 25, 2011, 07:30:55 pm

Just finishing my new DT1 havent started the engine yet completely rebuilt What carby would you guys suggest jets etc I have a few to choose from

Cheers
Fatboy

Title: Re: DT1 Carby
Post by: oldyzman on August 25, 2011, 07:38:41 pm

Nathan...

Title: Re: DT1 Carby
Post by: Nathan S on August 25, 2011, 10:02:55 pm

I'm not a carby! ;D

Reed or piston port?
Stock or modified?

30mm RT1 carb is the cheapest/easiest upgrade.
34mm RT1MX carb is better, but much harder to find.
A proper race motor will want a 36mm, and some work to adapt it to fit.

Title: Re: DT1 Carby
Post by: firko on August 25, 2011, 10:12:07 pm

34mm flange mount Mikuni is the go or fit a rubber manifold to take a slip on fit 34mm carby. I think the manifold on mine is from a TM 400 Suzuki with the bolt holes opened a little. I can't help with jetting Shane as mine hasn't been run in anger yet and my other DT1 has a 34mm Amal on methanol so that's no good to you.

Title: Re: DT1 Carby
Post by: Freakshow on August 26, 2011, 01:18:03 am

32mm or 34mm
buy a VM 200 or 400 ( have to look at the number) off the shelf rubber Mukuni rubber mount. bolts stright on and in, no messing around or drilling required ( can give part number or just buy from IWT and post.
I can give you the jet specs in a PM if you like, im almost built mine and will recheck with a flat jet run this weekend on a 32mm the others are really too big and the air ratio get out of whack for mx you might be able to pull it in a DT but keep under 34mm to get eh response and pull out of it.
remember PPort will need a fat pilot and a lean main, remember MUkumis are cumlative .