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Post by Bakeman on Dec 4, 2021 6:46:19 GMT -5
Final drive gears . Anyone have a opinion on them . 50cc all the upgrades are done. TIA .
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messenger
Scoot Enthusiast
Posts: 188
Location: Coventry, u.k.
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Post by messenger on Dec 4, 2021 7:25:53 GMT -5
Its bike specific really as different scoots have different final drive ratios as standard.
Also depends on your set up and the power of your engine.
I run a mid race piaggio motor in a Gilera Runner, and I have a stage 6 13/39 primary gear up kit fitted around 19% taller than stock gears. It suits the power of the engine/scoot perfectly. Acceleration is very brisk with a good top speed on pull away it tries to lift the front wheel.
I also have a stage 6 15/38 gear up kit, around 40% taller than stock gears, and when i tried that it seemed too tall, I reverted back to the 13/39 gear up.
some scooters have shorter final drives than others, even amongst piaggio motors fitted in different scoots, not to mention different wheel and tyre sizes. for example my 19% gear up kit is only 9% taller if fitted in a piaggio Zip which on the face of it has exactly the same motor as my Gilera runner, but the Runner has 12" wheels and the Zip has 10" wheels.
You would have to post up what exactly your scoot is and your set up, an Iron barrel mild 70cc set up with 9hp would need vastly different gears to a Hyper race set up with 20+hp.
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Post by jackrides on Dec 4, 2021 10:21:48 GMT -5
Higher ratio = less top, more go. lower ratio = more top, less go. tire size can accomplish the same thing.
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Post by Zino on Dec 5, 2021 10:37:20 GMT -5
I like putting Gears in as the last upgrade to a scoot after I have maxed out power . Top speed and Lower cruising rpm are the best reasons to do it .
You will need to reset the transmission so you can still get decent takeoff .
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Post by Bakeman on Dec 5, 2021 14:25:10 GMT -5
That's what I was thinking 🤔
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