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Post by creaseuk on Oct 30, 2015 22:05:46 GMT -5
I just bought an A13 cam for my GY6 150cc engine, along with a K&N style filter..
When fitting the CAM do I adjust the valve clearances with the engine at TDC with the A13 logo at the top or.. the hole at the top?? I can't seem to get a definitive answer +?
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Post by creaseuk on Apr 15, 2015 22:26:43 GMT -5
I just use a section of radiator hose to exrend .. easy and pliable.. I have been known to get hoses from the local junk yard to find the best angle...
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Post by creaseuk on Apr 15, 2015 22:13:32 GMT -5
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Post by creaseuk on Apr 15, 2015 22:08:52 GMT -5
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Post by creaseuk on Apr 10, 2015 22:21:19 GMT -5
Yes - lain you are correct when referring to the 13" models. I have done a disc brake conversion for a 13" wheel model. It was a pain the proverbial, requiring total strip down of the front end, with new handlebars. My Sunl has 12" wheels with wide rims to take 12-4.00 tires. This wheel has a much smaller hub than the 13" drum braked rims. As soon as I get chance I'll send a picture to illustrate. In the meantime, this is the large drum brake backing plate with 13" wheels you describe. Incidentally, the 250cc disc brake 12 inch wheel has the larger hub but.......... has larger splines than the 150cc.. I did manage to use the 110/  -12 tire in place of the original 12-4.00 tire. So, I'm left with no option but to build a new engine around the crankcase, which is really frustrating because there is no indication on the engine number that this is any different from any other long case engine. Although, the engine is covered (both inside and out) with numbers written in sharpie.     |
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Post by creaseuk on Apr 8, 2015 10:32:18 GMT -5
That doesn't look like GY6.. Great Video Though.. I do have a 250cc 12" wheel. I'm hoping the hub is bigger than the Sunl..  |
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Post by creaseuk on Apr 7, 2015 23:11:30 GMT -5
I just picked up a Sunl 150cc for a reasonable price. The previous owner said it had a 'carb problem' which of course means at least a holed piston. An engine strip down revealed holed piston, bent rod, destroyed cylinder skirt and.... Bent con rod. So I junked the motor and decided to buy a replacement long case engine. Everything went well until I offered the 12" inch rear disc brake wheel to the generic motor.... No way.. it appears there is a new variation to *GY6..
Long Case/Short Case
Long output Shaft/Short Output Shaft
Big Brake Hub/Small Brake Hub.
I now have to tear down the old motor to rebuild it around the long crankcase..
If you guys have a rear disc scooter, beware of you need a replacement motor..
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Post by creaseuk on Apr 7, 2015 22:53:39 GMT -5
Welcolme back.. you'be been missed.
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Post by creaseuk on Sept 18, 2014 10:11:20 GMT -5
Thank You.. ooops..
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Post by creaseuk on Sept 12, 2014 0:56:54 GMT -5
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Post by creaseuk on Sept 12, 2014 0:53:32 GMT -5
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Post by creaseuk on Jun 19, 2014 20:41:09 GMT -5
If it backfires on the over-run there is an iar leak in the exhaust system.
Did you repalce the exhaust gasket when you rebuilt the motor?
If not, the original get crushed and when you re-fit the exhaust it sometimes doesn't seat properly.
Get a NCY gasket off ebay for $3, they cover the whole exhaust outlet.
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Post by creaseuk on Jun 6, 2014 17:38:53 GMT -5
I have a Lance Vintage with single sided suspension. The shock absorber is a little soft for my riding. It makes the scoot feel hinged in the middle. Does anyone have experience of a stiffer direct replacement. Ideally, i'd be looking to get a beefier less stressed used item from auction.
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Post by creaseuk on Nov 15, 2013 9:43:27 GMT -5
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Post by creaseuk on Oct 19, 2013 18:51:57 GMT -5
I'd dump the EGR ( PAIR) system if you're going to change the head. Millsc may even sell you a head if you're nice to him..
Its all very simple, there a plenty of YouTube tutorials.
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-12 tire in place of the original 12-4.00 tire.