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Motion Pro - Rev2 Throttle Kit - Yamaha YZ450F 10-13 - Superseded to 08-012940

Marsoni M251S
Sale price$34.95
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Get it in 3 business days with 1 day shipping. Friday, May 29
Motion Pro - Rev2 Throttle Kit - Yamaha YZ450F 10-13 - Superseded to 08-012940THE MOST ADVANCED VARIABLE RATE THROTTLE IN THE WORLD The Rev2 throttle has several different size reels that will change how much twist is necessary for the throttle to completely open the carbs or throttle bodies on a motorcycle. The larger the reel is, the shorter the twist. Each reel size will shorten the twist by about 10 degrees. If your stock throttle has a 40mm reel and stock twist is 90 degrees (1 4 turn), the 45mm reel will reduce the twist
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  • We offer a 30-day return/exchange service after receiving.
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4.7 ★★★★★
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K
Verified Purchase
Kenny
Grantham, US
★★★★★ 3
Incorrect motor listed. Far smaller impeller than what's in the 6 horse johnson.
Size: For 5.5HP 6HP 7.5HP
It seems to be of good quality. However it does not fit a 6 horse johnson as it states. Therefore it will not pump water or function for my purposes. It was a waste of money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 15, 2025
O
Verified Purchase
Outcast
Boise, US
★★★★★ 5
Good product
Worked for what I needed. Fit great and easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
R
Verified Purchase
R
Lowell, US
★★★★★ 5
Old Merc Inline 6s - 1500, 1400, 1250, 1150
This is the second time I purchased from them. The kits are good quality, and impeller is durable. Pictures is the initial one I purchased from them two seasons ago. It had hundreds of hours on it, plus me accidentally cooking it for 3 mins without water hooked up to the engine - which is why I purchased it again. Given 2 seasons of use and my recent screw up it held up well.
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Reviewed in the United States on August 11, 2024
J
Verified Purchase
Justin D.
Dallas, US
★★★★★ 4
Merc black max 150
Good fit
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Reviewed in the United States on October 16, 2024
R
Verified Purchase
Rob
Whiting, US
★★★★★ 5
Best bang for your buck kit!
Can’t beat the price by any means. Total rebuild kit for Mercury 115 outboard for less than half the price and all high quality parts nothing cheap about this kit at all except the price. Highly recommend
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Reviewed in the United States on March 30, 2024

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