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Old 10-29-2009, 09:35 PM   #21 (permalink)
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Re: beat by a school boy

I ran 17/37 on my Z50 with a Lifan 150. Seemed about right.

Sorry aboot the earlier comment...

BTW, I ship to Canada regularly. 60 miles from a couple Ont bridges
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Old 10-30-2009, 03:12 AM   #22 (permalink)
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Re: beat by a school boy

"Sorry aboot the earlier comment..."

I got a few chucks out of it.
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Old 10-31-2009, 08:59 AM   #23 (permalink)
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Re: beat by a school boy

when you ran 17/37 what were you riding

street,dirt, trails etc ?
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Old 10-31-2009, 01:26 PM   #24 (permalink)
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Re: beat by a school boy

Quote:
Originally Posted by weekendwarrior View Post
when you ran 17/37 what were you riding

street,dirt, trails etc ?
D: All of the above. 58MPH@10K, according to the math.

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Honda50.com Gear Ratio - Speed Calculator
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Old 10-31-2009, 01:53 PM   #25 (permalink)
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Re: beat by a school boy

What's the tallest gearing a z50R with a stock 3spd w/auto-clutch & TB 88cc BBK can pull? I'm planning to motard ride small tracks up to 4/10th of a mile long. Is 17/34 too tall?

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Old 10-31-2009, 05:07 PM   #26 (permalink)
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Re: beat by a school boy

With a stock engine, 17/34 will be too tall unless you are very, very light, and even then you'll probably need to gear for "I need to hit max rpm by the end of the straight"; i.e., as low as you can get away with for best acceleration. Might need a couple of front sprockets according to the track and switch around.

I've found the 30ish range to be the practical limit on stock Honda 50 speed, hardtail or softtail, but I have weighed somewhat north of 200 for awhile now. Gearing higher to get higher speed works for me on the flat but the loss of acceleration isn't worth it; it makes the bike suck to ride unless I'm on a long straightaway with the throttle wide open, a tailwind and maybe a slight downgrade.

Burritos keep on sneakin around my waistline.
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Old 10-31-2009, 09:25 PM   #27 (permalink)
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Re: beat by a school boy

Tranny is stock 3 spd, but with a 88cc BBK. For me: Pollo con Mole...So, I'm up to an all time high of 150lbs. So, I think it will pull 16/34.

Cheers,
Greg

Quote:
Originally Posted by mexicanyella View Post
With a stock engine, 17/34 will be too tall unless you are very, very light, and even then you'll probably need to gear for "I need to hit max rpm by the end of the straight"; i.e., as low as you can get away with for best acceleration. Might need a couple of front sprockets according to the track and switch around.

I've found the 30ish range to be the practical limit on stock Honda 50 speed, hardtail or softtail, but I have weighed somewhat north of 200 for awhile now. Gearing higher to get higher speed works for me on the flat but the loss of acceleration isn't worth it; it makes the bike suck to ride unless I'm on a long straightaway with the throttle wide open, a tailwind and maybe a slight downgrade.

Burritos keep on sneakin around my waistline.
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Old 11-01-2009, 08:45 AM   #28 (permalink)
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Re: beat by a school boy

thanks alot for the info guys
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Old 11-01-2009, 09:01 AM   #29 (permalink)
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Re: beat by a school boy

Quote:
Originally Posted by grm View Post
Tranny is stock 3 spd, but with a 88cc BBK. For me: Pollo con Mole...So, I'm up to an all time high of 150lbs. So, I think it will pull 16/34.

Cheers,
Greg
Sorry, missed that about the 88 kit. Maybe I could whip you if I ran the same gear ratio and installed two 88 kits?

Switching over to Pollo con Mole during my race training and prep wouldn't be the worst thing in the world, at least...
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Old 11-01-2009, 09:59 AM   #30 (permalink)
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Re: beat by a school boy

LoL
Quote:
Originally Posted by mexicanyella View Post
Sorry, missed that about the 88 kit. Maybe I could whip you if I ran the same gear ratio and installed two 88 kits?

Switching over to Pollo con Mole during my race training and prep wouldn't be the worst thing in the world, at least...
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Old 11-01-2009, 03:53 PM   #31 (permalink)
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Re: beat by a school boy

i've done some research and i have decided that i will be going with a
18/30 ratio.
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