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Post by moofus02 on Oct 16, 2013 14:11:22 GMT -5
Used to be able to buy new overseas but used is all I can find now. We sand drag here and there used to be rules about snowmobile engines in stuff but it's brackets so there were quads with big triple snow engines. You talk fast. I ran a rail with a yamaha rd350 for one season but with paddles we kept blowing clutch baskets apart. The snow engine was against the rules but one guy did it no one raised heck so the next race there was enough to make a class. I don't think they changed the rules I think that one just got ignored for common sense reasons (they worked well)
Sent from my SPH-L720 using proboards
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Post by ryan on Oct 16, 2013 17:37:27 GMT -5
i have a aerox 100 engine here if you guys need measurements, i have a guy out of the uk i can get alot of hard to get parts
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Post by 2strokd on Oct 17, 2013 8:12:09 GMT -5
All i can think about now is the engine in a street scooter lol
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Post by 90GTVert on Oct 17, 2013 9:11:02 GMT -5
I have been thinking about that since John first talked about it fitting where a mina does. OMG I could pass so many cars with something like that! I'd almost definitely get impounded/arrested. lol The way they've treated you in the past in IN, you might get the chair for putting that beast in a street scoot.  |
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Post by 190mech on Oct 17, 2013 9:11:21 GMT -5
The short rides I took were enough to KNOW fitting it in a street build would be dangerous!!
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Post by 2strokd on Oct 17, 2013 9:34:08 GMT -5
uhuh......  |
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Post by nelson on Jun 11, 2014 16:00:06 GMT -5
Very nice work guys, I hope you have some future plans for another build. I have some fabrication skills but it stops at mig welding. Excellent work, craftsmanship and piloting
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Post by Lucass2T on Jun 16, 2014 17:02:24 GMT -5
WOW awesome project!!! Please, post as many pics as possible  I am especially interested how you solved the problem with the left crankpin, how you managed to fit the variator on the carnkpin that was made only to adopt flywheels or clutches (clutch in your case right?).. Anyway, keep on the good work! |
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Post by 190mech on Jun 16, 2014 21:05:16 GMT -5
Lucass, I showed the crank mods to adapt the variator shaft from a donor GY6-150 crank to the YZ125 crank wheel on page 2 of this thread.I tried a heat/shrink fit at first,but that was a failure..An old machinest friend said a press fit would do very well so I did that method,it worked great!If you would like any other info,I'll gladly share..
John
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Post by moofus02 on Jun 16, 2014 21:28:22 GMT -5
A yz 80 like that in a street scooter would be a hoot
Sent from my SPH-L720 using proboards
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Post by 190mech on Jun 17, 2014 4:32:21 GMT -5
A yz 80 like that in a street scooter would be a hoot Sent from my SPH-L720 using proboards All YZ 80's had the ignition on the left side..To find a donor engine,a right hand iggy makes it "easier"... |
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Post by moofus02 on Jun 17, 2014 4:35:59 GMT -5
I'm digging through old mx grave yards looking for a right ignition motor to no avail lol
Sent from my SPH-L720 using proboards
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Post by 2TDave on Jun 17, 2014 4:46:55 GMT -5
Oh boy
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Post by moofus02 on Jun 17, 2014 4:54:34 GMT -5
Been on this quest for a while with no luck but I'm still looking. I think a yz 125 grafted into my Zuma would just be dangerous lol. Would be one way to make a heavy bug eye wheelie lol Sent from my SPH-L720 using proboards |
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Post by 190mech on Jun 17, 2014 5:44:20 GMT -5
The european MXers used right iggys a lot,also the CR as well as the YZ used that setup in the early 80's..An engine could be swapped to the other side,but it'd be a bunch more work...
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