871521, Sprag Clutch, Aprilia, Derbi, Moto Guzzi, Vespa, Gilera, Piaggio
Guaranteed
Genuine
Piaggio
Parts
The Sprag Clutch is number 17 in the part drawing below.
The Sprag Clutch is number 8 in the part drawing below.
- Brand(s):
- Aprilia, Derbi, Moto Guzzi, Vespa, Gilera, Piaggio
- Part number:
- 871521
- Description:
- Sprag Clutch
- Stock Availability:
- If your part is not in stock, it will take 3-5 days to reach MSP
Price: EUR 153.07 inc. VAT
Unsure if it’s the right part?
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Original Honda spare parts not chinese copy or second hand - The components where not in stock and I received them in 10 days after order by UPS France well pack in a large carton box. Thanks
Arnaud
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Very good company. Good communication and everything. Lot of parts for older Jap motorcycle. Totaly recomended.
Giulio Šoletić
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Great product delivered promptly. Would highly recommend this seller.Thank you.
Gary feist
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Excellent service
stathis
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Quite quick delivery, parts ok, sure I will come back for spare parts for my Honda
Pavel
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MSP are very helpful and their genuine spare parts are of the highest standards ... with prompt delivery too
Rob
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Great speedy service and delivery of genuine parts at reasonable prices.
Damo@Mobile Fun Customer
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Great store , send fast. Reliable and decent prices.
Lukas Lewinski
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Everything
Valter johansen
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Nail. Head. Hammer. Hit.
Ryan W
The Sprag Clutch is a genuine spare part manufactured by Piaggio so you have peace of mind the Sprag Clutch part being sold by Motorcycle Spare Parts is both original and new.
A Sprag Clutch with the manufacturer part number of 871521 is a significant component in several automotive brands such as Aprilia, Derbi, Moto Guzzi, Vespa, Gilera, and Piaggio. It's an OEM (Original Equipment Manufacturer) replacement part, meaning it is designed and produced by the same company that originally made that part for the vehicle. An OEM part offers an assured compatibility and quality match with your vehicle.
The main purpose of a Sprag Clutch, also known as a one-way clutch or freewheel clutch, is to allow rotation in one direction and prevent it in the opposite direction. This clutch engages when driven in one direction, but will freely spin without resistance when spun in the opposite direction. This one-way function is vital for many machines, including these mentioned vehicles, to operate correctly.
In the context of automotive applications, a Sprag Clutch can be used in the starter system of an engine, manual transmissions, and some automatic transmissions. In the starter system, it allows the starter motor to be disengaged safely once the engine has started. In transmissions, it contributes to the smooth, seamless shifting of gears.
Apart from its one-way rotation feature, the Sprag Clutch is also recognizable by its unique design. It incorporates a set of “sprags” - the elements, typically shaped like wedges or cams, which lock rotation in one direction. These sprags tilt from a freewheeling position to a locking position, depending on the direction of rotation.
Remember that for maintaining optimal performance and ensuring the longevity of the vehicle's transmission system, it is important to verify the part's compatibility with your specific model before replacement. The manufacturer part number 871521 should be cross-verified with the specific model number of your vehicle. This assures you acquire an accurate and proper fit, preserving the integrity of the overall mechanic system.
