jcoahran
Scoot Enthusiast
89 zuma ii
Posts: 347
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Post by jcoahran on Apr 21, 2012 0:17:07 GMT -5
ill start off by saying that im sorry for my recent inactivity, my dad's salamander heater blew up and he has been in the hospital for a week now. so as you all know, i had a roketa, and a kymco, both of them turned to be scrap piles. instead of fixing them, i decided to have my dad a good surprise waiting on him when he gets home. he LOVES the honda ruckus/yamaha zuma body style, so i found him a red one with less then 2,000 miles. and i knew he wouldn't like doing 35 mph everywhere he goes, so i'm ordering a 80cc big bore kit from scrappydogscooters.com (isn't there a discount for using this forum or something? ) so, my question is, before i send the order through, which jets should i buy? (i dont think the stock ones would like it too well)
thanks,
-josh
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Post by skuttadawg on Apr 21, 2012 0:34:50 GMT -5
I would replace the carb that is easier to tune and a size up in mm . I ran an 85 then 88 and 90 . I like mine just a hair rich . If you go with a 80 BBK get a 50 mm head . If you do not the 49cc head the compression is real high and tight clearances of the valves and top of piston and a shim or extra base gasket is needed as with 200 psi and its not race quality parts expect problems if you ride it hard . The 50mm also has larger valves thus more flow.
I had a secret 63 that cracked a piston and blew up later . I put on an Air Sal 50mm as I did not want any China piston again since none of my Japanese or Italian toys cracked a piston . Takeoff , midrange and uphill were much better , however it had the same topend , but got there faster and did not have to work as hard .
Well it looks like the 80cc crate engines are sold out and would be better than a BBK but they have a 110 that may work .
The drive gears can be changed out if you have a press .
I now have a 2T 49cc that is loads of fun and after modest mods I can hit 50 mph but mostly 45 more steady . A racing pipe on a 2T will do wonders as I am narrowing down which one to get A 2T is less to service and peppy .
I would only suggest a longcase with 12s or bigger as I was uncomfortable on a shortcase with 10s
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Deleted
Deleted Member
Posts: 0
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Post by Deleted on Apr 21, 2012 1:05:14 GMT -5
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jcoahran
Scoot Enthusiast
89 zuma ii
Posts: 347
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Post by jcoahran on Apr 21, 2012 1:36:27 GMT -5
i appreciate it 1FASTQMB, though im working on an extremely tight budget as its the end of the month now. i'll definitley let you know tomorrow if i'll buy them or not, if i do, when could i expect to get them to the 46580 zip code?
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Deleted
Deleted Member
Posts: 0
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Post by Deleted on Apr 21, 2012 1:39:17 GMT -5
priority mail....2 days i believe.
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jcoahran
Scoot Enthusiast
89 zuma ii
Posts: 347
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Post by jcoahran on Apr 21, 2012 1:41:53 GMT -5
okay, let you know whats up tomorrow, thanks again
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Post by peteyparado on Apr 21, 2012 5:45:24 GMT -5
is it 47mm or a 50mm 72cc -82cc with the 72cc i had to run a 88main with a 19mm carb an with my 82cc i have on a 98main.. having different mods on the scoot will affect your jet size.
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