cylon
Scoot Junior
Posts: 13
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Post by cylon on Jan 23, 2013 19:39:59 GMT -5
Wow very nice scooter Millsc that has a BBK right? I'm guessing since it says 110cc. You guys are totally right about these ebay prices I'm shocked about how much more affordable it is on there, no wonder why you guys all buy from ebay  |
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millsc
Scoot Enthusiast
Posts: 103
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Post by millsc on Jan 23, 2013 19:40:53 GMT -5
Mine has 110cc big bore kit 52mm piston from scrappys, you have the same scooter i have
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cylon
Scoot Junior
Posts: 13
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Post by cylon on Jan 23, 2013 19:52:06 GMT -5
Yeah I thought the luggage rack looked the same, that paint on yours is killer, I like it. I hear what your saying about back pressure, I'll hold off on a pipe till I have time for the BBK.. For now just gunna stick with a CDI, hot ignition and the iridium plug for the cold air up here plus the carb of course, had a carb already put on my fiances scooter it runs smoother with it, not sure where the mechanic ordered it from tho ^^. Do you blow by any oil without the oil can and pcv on the 52mm piston?
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millsc
Scoot Enthusiast
Posts: 103
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Post by millsc on Jan 23, 2013 20:08:39 GMT -5
nope no blow by
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Post by 90GTVert on Jan 23, 2013 20:23:15 GMT -5
Just FYI, lots of those kits aren't the cc they claim. For example, the stock stroke is 41.4mm. That means it's only just shy of 88cc with the 52mm big bore. Not that it really matters, but just so you know to pay no mind to the claims on lots of ads. Just look at bore size.
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cylon
Scoot Junior
Posts: 13
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Post by cylon on Jan 23, 2013 23:33:27 GMT -5
Millsc did you need to use more then one gasket with your big valve head? Also was it the 69mm or regular? I'm considering that 52mm kit but it seems complicated the more I read about it.. was it a easy install with your setup? Thanks again for the help!
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millsc
Scoot Enthusiast
Posts: 103
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Post by millsc on Jan 24, 2013 0:06:33 GMT -5
i used two base gaskets one head gasket the kit came with two of each the kit install really isn't hard, i do them one the side now done over 15 kits your cy 50a has 69mm valves
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cylon
Scoot Junior
Posts: 13
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Post by cylon on Jan 24, 2013 15:06:12 GMT -5
Do you need to have the 69mm head in order for the engine to run? Im looking at the 47mm stage IV kit looks like its priced pretty good for the items you get and a bit more simple to install, thinking I'll only need one base gasket with that and it will help build my confidence, then when I get bored with the 72cc I'll have enough cash for the 52mm, I'm trying to keep it under 400 dollars. The 69mm head for the 52mm is 174 dollars alone lol, plus I want to do tranny work with the 47mm. Also Mill was your scooter a 63cc stock? I looked at mine and it doesnt have the 6B stamp just a 1P39QMB.
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millsc
Scoot Enthusiast
Posts: 103
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Post by millsc on Jan 24, 2013 21:48:05 GMT -5
you can use your stock head with a 72cc kit so the valve size doesn't matter i use a hoca performance 50mm head with my 52mm kit 119 bucks for the head and mine was not a 63cc stock it had a 39mm piston
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millsc
Scoot Enthusiast
Posts: 103
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Post by millsc on Jan 24, 2013 21:56:27 GMT -5
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millsc
Scoot Enthusiast
Posts: 103
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Post by millsc on Jan 25, 2013 13:59:07 GMT -5
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cylon
Scoot Junior
Posts: 13
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Post by cylon on Jan 25, 2013 16:49:37 GMT -5
Thanks so much for the last link there Mill, that looks like a steal I will be getting that kit, has everything I need even the 64mm rocker arms. You have been a huge help, now I just gotta hope and pray that they have those for the next two weeks haah, that looks like a A9 cam  |
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cylon
Scoot Junior
Posts: 13
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Post by cylon on Jan 25, 2013 16:52:31 GMT -5
Do the kits come with any instructions?
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millsc
Scoot Enthusiast
Posts: 103
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Post by millsc on Jan 25, 2013 17:09:12 GMT -5
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Post by 90GTVert on Jan 25, 2013 18:02:35 GMT -5
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