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Post by clownmeat on Jun 20, 2013 17:43:58 GMT -5
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Post by 190mech on Jun 20, 2013 19:32:30 GMT -5
Lookin wild dude!Get a full fan shroud on that cylinder before you run it much or it'll be toasted...
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Post by 90GTVert on Jun 20, 2013 21:41:44 GMT -5
I like it. Looks like a dream to work on with all of the room in front of the engine. Def take 190mech's advice about the fan shroud.
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Post by 2strokd on Jun 20, 2013 22:34:29 GMT -5
Cool build man!  |
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Post by moofus02 on Jun 21, 2013 4:23:57 GMT -5
I like it
Sent from my SPH-L720 using proboards
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Post by ososlow on Jun 21, 2013 9:23:28 GMT -5
i like it too. especially the shock hoop. how do you get fuel from the tank to the carb?
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Post by clownmeat on Jun 21, 2013 12:16:37 GMT -5
Lookin wild dude!Get a full fan shroud on that cylinder before you run it much or it'll be toasted... Didn't think it was that crucial, but this is my first scooter. I found it and got it put back on. Thanks for the info too.   |
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Post by clownmeat on Jun 21, 2013 12:22:19 GMT -5
i like it too. especially the shock hoop. how do you get fuel from the tank to the carb? Thanks. I used a Mikuni vacuum operated fuel pump.  |
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Post by clownmeat on Jun 29, 2013 18:49:20 GMT -5
Finally got it legal and took it out for the first ride today. After 5 miles of cruising at 35mph I stepped it up to about 45 mph and when I let off the throttle to slow down it bogged and soft siezed. I let it sit for 20 minutes and it did fire up again so I was able to get home. So, probably shouldn't of ran it that hard on a new top end? Too lean? What is usually the problem with them overheating? I have the full fan shroud on, premix at 50:1 with 91 octane fuel. Being 110 degrees outside today didn't help I imagine.
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Post by 190mech on Jun 29, 2013 19:06:14 GMT -5
A larger main jet will let the engine run cooler...Perhaps a richer oil/fuel mix(32:1) while breaking it in will help also..
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Post by clownmeat on Jun 29, 2013 23:30:31 GMT -5
A larger main jet will let the engine run cooler...Perhaps a richer oil/fuel mix(32:1) while breaking it in will help also.. I'm also thinking it has to be a too small main jet since it happenend right after a wot stretch. When these engines soft seize do you usually have to replace the rings (from loosing tension) and the piston and getting the cylinder honed? I read somewhere that you can just file down the high spot on the piston and throw it back together. |
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Post by 190mech on Jun 30, 2013 5:24:24 GMT -5
Usually at worst some aluminum will smear over the ring causing the ring to stick,a teardown inspection of the top end would show this,if the ring looks free and the piston isnt too scarred,just lightly file the high spots and re assemble..
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Post by 2strokd on Jul 1, 2013 8:02:53 GMT -5
Make sure your pump is keeping up while at WOT with a load.? Depending on RPM these engine dont make much vac. Might not keep up?
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Post by clownmeat on Jul 1, 2013 13:11:35 GMT -5
This is what I've found so far.  
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Post by stepthrutuner on Jul 1, 2013 17:58:49 GMT -5
Lean & need more oil. Always better to have a little too much oil than too little. These recent low-ash oils with detergents will help your engine stay clean especially if you over-oil a bit. Dyno tests prove that more oil equals more power.
With unplated iron cylinders for moderate to hard street use 32:1 is a good number for conventional mineral-based oils. 40:1 plenty good for 100% synthetics.
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