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Quick Adjust Cam Arms for Yamaha snowmobiles.
Dalton Quick adjust weights for Yamaha applications. This method of adjustment allows for adding or subtracting mass from the main body of the flyweight without even removing the flyweight from the clutch. Makes for Quick and easy testing and tuning. This series of Quick Adjust uses our "DPYR" curvature that has been very popular on the four stroke models. QAY and DTYA are the same series and curve, etc. Originally, we only went up to QAY-62, and the turbos came along in the RX/Apex sled versions and the DTYA ( Dalton Turbo Yamaha Adjustable) came along. As you can see there are more options now.
With Yamaha models it is important to know that the necessary "grams" needed for an application can vary widely because of the variety of flyweights and curvatures on the market. Even within Yamaha factory flyweights there is great variance in grams and curvature for the same HP. With the curvature and location of mass used on our Dalton "Quick Adjust" it will most likely be different grams required that stock. Example : The QAY 54 set is often used on stock 3 cylinder Nitro/Viper type four stroke applications (based on your own chosen springs and helixes, etc). This is very different from stock.
Example: The QAY -62 is often used at 64-68 grams on normally aspirated Apex Reverse applications (based on chosen springs and helixes).
Note 1: Viper / Nitro. This one often for bigger tracks or mixed with some elevation.
Note 2: Popular with Nitro / Viper / Vector 3 cylinder stock models.
Note 3: Often in RX-1 applications and some stock Apex application depending on other chosen components.
Note 4: Common with Apex applications.
Note 5: Some Yamacharger / Apex applications. Also some stock Sidewinders with some clutch recipes, and often with Sidewinder with free flowing exhaust or extra HP.
Note 6: Often for boosted 180 HP Viper kits. Popular on lower version "trail" (re-programmed Sidewinders with extra boost). More often used for 230-260 HP. Check with your programming company for specifics of the tune.
Note 7: This set is now most often used with 250-290 level boosted / re-programmed Sidewinder models. It was also common with older low boost Apex / RX turbo applications.
Note 8: Most common for many boosted RX / Apex applications.
Note 9: A new heavier base weight for higher boost applications.
Quick Adjust Cam Arms for Yamaha snowmobiles.
Dalton Quick adjust weights for Yamaha applications. This method of adjustment allows for adding or subtracting mass from the main body of the flyweight without even removing the flyweight from the clutch. Makes for Quick and easy testing and tuning. This series of Quick Adjust uses our "DPYR" curvature that has been very popular on the four stroke models. QAY and DTYA are the same series and curve, etc. Originally, we only went up to QAY-62, and the turbos came along in the RX/Apex sled versions and the DTYA ( Dalton Turbo Yamaha Adjustable) came along. As you can see there are more options now.
With Yamaha models it is important to know that the necessary "grams" needed for an application can vary widely because of the variety of flyweights and curvatures on the market. Even within Yamaha factory flyweights there is great variance in grams and curvature for the same HP. With the curvature and location of mass used on our Dalton "Quick Adjust" it will most likely be different grams required that stock. Example : The QAY 54 set is often used on stock 3 cylinder Nitro/Viper type four stroke applications (based on your own chosen springs and helixes, etc). This is very different from stock.
Example: The QAY -62 is often used at 64-68 grams on normally aspirated Apex Reverse applications (based on chosen springs and helixes).
Note 1: Viper / Nitro. This one often for bigger tracks or mixed with some elevation.
Note 2: Popular with Nitro / Viper / Vector 3 cylinder stock models.
Note 3: Often in RX-1 applications and some stock Apex application depending on other chosen components.
Note 4: Common with Apex applications.
Note 5: Some Yamacharger / Apex applications. Also some stock Sidewinders with some clutch recipes, and often with Sidewinder with free flowing exhaust or extra HP.
Note 6: Often for boosted 180 HP Viper kits. Popular on lower version "trail" (re-programmed Sidewinders with extra boost). More often used for 230-260 HP. Check with your programming company for specifics of the tune.
Note 7: This set is now most often used with 250-290 level boosted / re-programmed Sidewinder models. It was also common with older low boost Apex / RX turbo applications.
Note 8: Most common for many boosted RX / Apex applications.
Note 9: A new heavier base weight for higher boost applications.
