175 to a 250

[dirtsquirt80]

Hello I was wondering if I could get some help from the group I building a 175 that I want to put a thunder dog motor in. my question is have any of you found a modern pipe that will work? I know some people have built 175 racers. thank's Scott

[racerclam]

I use an 1988 YZ 250 pipe on My RG250 its a 175 frame the pipe fits the frame perfectly you just have to locate your own mounting tabs and change the first couple inches on the head pipe to fit the Hodaka exaust flange, Mine is an FMF pipe. Pro circuit works too!

Rich

[dirtsquirt80]

thanks rich did you make your own intake or use the one that came on motor originally?

[swcaudill]

I made up my pipe from the original ED pipe. Mike Perrett modified a Suzuki head to fit, so pipe fit better on left side. Used a 30mm carb to provide clearance. Bike is no racer but has lots of torque and its easy to ride.

[racerclam]

I sed the Reed valve manifold that I make for V force reeds. Also I removed the kicker tubes behind the carb that are curved and replaced them with straifgt tubes . You can gonto my web site on the gallery and see what I did richstaylordporting.com

Rich

[MWL]

Sterling
The pipe looks good. Nice work!
Mike

[swcaudill]

Mike,
Pipe looks better that it really is. Tried using my TIG, but ended up brazing most of the sections. I have a couple of damaged YZ 250 pipes but couldn't figure it out. I'll work on that next winter.
Sterling