VMX247 XL350

[sudman]

  Very cool looking track, nice power slide.

[VMX247]

The much needed rebuild has begun today 

[oldfart]

The bike or Steve 

[VMX247]

The bike or Steve 

The bike..    cause if our young bloke gets on it again its going to need it all..
cheers

[sudman]

Steve will just have to come over and ride one of my C & J's to get his XL fix.

[albrid-3]

This will be my new mount for next year scrambles, I was thinking about using a different frame, but I am not sure whether to go down that road.

[sudman]

Finding one to suit is the biggest problem, Husky frames are the best option as the motor fits without having to cut the frame. If it was me I would stay with the old XL frame I raced one to a win in Kiwivmx 2 years ago, just work on getting the weight down, drill axles, replace the steel wheel spacers with alloy, cut all the unneed tags off the frame etc.

[albrid-3]

I am keeping an open mine, you may be right sudman.

[Neilios]

Hello, VMX247 can you tell me how you manage to fit an XR400 piston into the XL350 as the gudgen pins on the pistons I have are different diameters. Thanks Neil

[VMX247]

Neil
Strange you have a difference. The piston I use is XR400R / TRX400EX - 96 to 06.
I have not had a difference in gudgeon pin diameters.
The XR piston is a bit shorter in crown height than other pistons guys have used but thats all.
Otherwise I can t advise otherwise...... It is a sideport XL?
Cheers
Steven

[Davy123]

neil...use an xr 350 piston same gudgeon pin and 84mm - 86mm bore wiseco

[Neilios]

What year XR350 Davy?

[Davy123]

83-85.. think they only made it in those years

[Neilios]

Thanks Davy, been doing some research, the XR400 piston has a 20mm pin and the XR350r and XL350 pins are 21mm, I will keep you updated. Thanks

[gorby]

I have used the XR piston....it is bigger in the bore but a little shorter in the hieght between the pin and the piston top which leaves it a couple of mm below the top of the bore at TDC.

The extra bore size must nearly make up for the lower piston hieght.

I ground a groove in the top of the piston to replicate the original one for the inlet valve clearance

This setup worked for a couple of years hard racing for me and as far as I know it is still working for its present owner