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Post by PCBGY6 on Sept 9, 2013 15:15:30 GMT -5
I just ordered the 50/16T gears from scrappy. I have already put on: 50mm Airsal BBK  Main Jet Orange Performance Coil Orange Performance CDI I'm wanting to know what weight range I should try. I know each scooter is different and all. From what I have read I'm thinking the 4g-6g weights. and mix if needed. I was also wondering how much more power the scrappy Performance Big Valve cylinder head and A9 would give me. If the power is very noticeable I will be putting in a order for those soon as well. Thanks, PCB |
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Post by rae4180 on Sept 9, 2013 15:28:00 GMT -5
5,5 works good faster off the line. And top speed get there faster.
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Post by sailracer on Sept 9, 2013 16:17:15 GMT -5
[replyingto=desmerwebb]PCB_GY6%27n[/replyingto]I use 5 gram sliders and I'm happy with them 16/50 gears too  |
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Post by PCBGY6 on Sept 9, 2013 18:19:19 GMT -5
for now I'm just trying to hit a steady speed of 40-45. This winter i'm going to push for the 50 mph gps and that will be a task considering im 250. lol
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Post by PCBGY6 on Sept 10, 2013 10:46:36 GMT -5
Still trying to figure out how much gain I will get out of the scrappy Performance Big Valve cylinder head and a a9 cam.
has anyone used them?
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Post by millsc on Sept 10, 2013 11:31:58 GMT -5
I got a good boost from the big valve head and the a9 cam on my modded 50's i ran it with 24mm carbs
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Post by PCBGY6 on Sept 10, 2013 12:33:09 GMT -5
thanks. I think I see a order coming in my future.
one question. how can i look at a head and tell if it's a 64mm or 69mm head? want to make so i get the right one when i order later this month.
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Post by PCBGY6 on Sept 10, 2013 14:32:32 GMT -5
Well just ordered the A9 cam. slowly getting there. Hopefully The Head with 24mm Carb will be ordered by the end of the month.  |
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Post by millsc on Sept 10, 2013 14:34:13 GMT -5
If you have a 2012 tao you have 69mm valves
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Post by PCBGY6 on Sept 10, 2013 14:40:13 GMT -5
I'll pull the cover off and post a pic before I order the head. It's made by Znen. same body as the tao but a lot of scooters have that body style.
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Post by endru on Sept 14, 2013 21:51:34 GMT -5
[replyingto=desmerwebb]PCB_GY6%27n[/replyingto]Heads with 64mm valves are often much less expensive than 69mm valve heads. If you find that you currently have a 69mm valve head, you can replace it with a 64mm valve head as long as you replace the valve rocker arms. You don't need a whole new rocker arm assembly, just the arms. You could probably find a set of those on ebay for about $10 and save yourself a few bucks in the end.
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Main Jet
Main Jet
