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G- Gear Set 17*36 (GY6)

G- Gear Set 17*36 (GY6)
G- Gear Set 17*36 (GY6)
G- Gear Set 17*36 (GY6)
G- Gear Set 17*36 (GY6)
G- Gear Set 17*36 (GY6)
G- Gear Set 17*36 (GY6)
G- Gear Set 17*36 (GY6)
G- Gear Set 17*36 (GY6)
G- Gear Set 17*36 (GY6)
G- Gear Set 17*36 (GY6)

Description: Gear Set 17*36 has a 31% increase up gear ratio over the stock gear set (13*40 teeth). Which will provide higher top-end speed without losing power on acceleration. Since the GY6 125/150cc transmission stock gear teeth are 13*40 which = gear ratio 3.076:1 this means the stock gear 13-teeth counter shaft has to turn 3.076 full-turns to drive 1 full-turn of its 40-teeth final drive gear thus turns its final drive axle which the rear wheel spin freely on.

The final gear ratio is the last bit of gearing between the transmission gear and the final drive axle of the rear wheel. In general, a lower final gear ratio will lead to less torque at the rear wheel but higher top speed. Meanwhile, a higher gear ratio will result in the opposite, more torque at the rear wheel but lower top speed.

Here's how to calculate the gear ratio for Gear Set 17*36. Just divide the number of final drive gear teeth 36 by the number of the counter shaft teeth 17. It's 36 / 17 = 2.117:1 gear ratio. This means the 17-teeth counter shaft gear takes 2.117 full-turns to drive 1 full-turn the larger 36-teeth drive gear. Overall it will take less counter shaft gear turn for the rear wheel to spin compared to the stock gear ratio of 3.076:1.

To calculate gear ratio percentage change in this example take (stock 40 / 13) - (36 / 17) = 0.959, then take 0.959 / (stock 40 /13) = 0.311 or 31% increase up Gear Set 17*36 over the stock. If it positive percentage it's called an up gear, if it negative percentage it's called a down gear. Now you know. Get the most out of your big bore kit, with increased top speed and a more usable rev range performance with the right transmission gear set changed.

NOTE: Not included, must reuse stock 42-teeth counter shaft gear or purchase Part# GY14656. A 12-ton hydraulic compressor is required for removing the stock 42-teeth counter shaft gear off its 13-teeth counter shaft and then re-pressing the stock 42-teeth counter shaft gear onto the new 17-teeth counter shaft, in this set. Please compare OE dimension before ordering to assure correct fitment.

Specifications:

Include the following Transmission gear set.

•    1x Front Counter Shaft Teeth: 17 / Spline L: 24.1mm / OD: 33mm / Overall L: 60.25mm
•    Gear Press-On Area L: 12.08mm x OD: 19.1mm / Ends L: 9<10.5mm x OD: 15mm
•    1x Rear Final Drive Gear Teeth: 36 / Inner Spline: 19
•    OD: 69.1mm / ID: 18mm / W: 19.6mm
•    Fit 54mm Stud Spacing (A-Block)
•    Fit 57mm Stud Spacing (B-Block)

•    Fit GY6 125/150cc+

Supported Models: NCY CVT KIT (Part #1200-1048); GY6 152QMI 157QMJ 161QMK 161QML Chinese Scooter, ATV, Genuine Buddy, Kymco, Ruckus, Vento, and virtually any scooter engine with these measurements.

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Item Weight & Package Dimensions:
•    1.281 pounds | 6.5" (L) x 5.5" (W) x 1.308" (H)

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G- Gear Set 17*36 (GY6)
  • Stock: 40
  • Reward Points: 2
  • Part #: 169-112-17F-36R
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Views: 4077
$59.95
Ex Tax: $59.95
Price in reward points: 60

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