ProTaper Twister Throttle Assembly
1004-9856 (MFG #: 025073)
$69.99
Sale price
$69.99
Regular price
$69.99
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ProTaper Twister Throttle Assembly for Yamaha YZ450F Dirt Bike
ProTaper Twister Throttle Assembly for Yamaha YZ450F Dirt Bike
$69.99
Sale price
$69.99
Regular price
$69.99
SKU:1004-9856
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Description
The Twister Throttle Tube from ProTaper is constructed from quality anodized billet aluminum. The sealed radial ball bearing and polymer bushing allow for a consistent and smooth throttle operation while a knurled grip mounting area ensures a vice-like grip bond. The ProTaper Twister Throttle tubes are used by top-level pro teams and riders world wide. Twister Throttle Tubes are compatible with all ProTaper handlebars and Renthal 7/8 in. handlebars with the standard bearing insert.
FEATURES
- Features a sealed ball bearing that virtually eliminates friction and nylon sleeve bearing on the inboard end
- Crud plug stops grip glue form ruining bearing
- All Twister throttle tubes include a free insert for all ProTaper® bars
Technical Specifications
- MFG. Part Number 025073
Vehicle Information
Yamaha YZ450F Dirt Bike (2003-2026)
The Yamaha YZ450F, a dominant force in motocross, has been continuously refined from 2003 to 2026. This high-performance dirt bike is renowned for its powerful 449cc engine and advanced chassis, designed to deliver a competitive edge and an exhilarating riding experience. Over two decades, Yamaha has consistently pushed boundaries, integrating cutting-edge technology and rider-focused improvements. The YZ450F has undergone several significant generational shifts. The 2003 model saw an engine displacement increase to 449cc and a lighter frame. A major overhaul in 2006 introduced an all-new aluminum single-backbone frame and KYB SSS forks. The revolutionary reversed cylinder engine design debuted in 2010, followed by the adoption of fuel injection in 2012. The 2014 model brought a new bilateral aluminum beam chassis. The 2023 iteration marked a complete redesign, featuring a lighter, more compact engine, a new frame, dry-sump lubrication, and advanced electronic rider aids like Traction Control, all controllable via the Yamaha Power Tuner App. While 2024 carried over these updates, 2025-2026 are expected to bring further refinements. Q: Will this part fit my Yamaha YZ450F?
A: To ensure perfect compatibility, please use the year and edition selector at the top of this page.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | Every 5 to 10 hours | Change both together. 5 hours for aggressive/race-level riding; 10 hours for recreational riding. |
| Air Filter | Every 2 to 15 hours | Intervals vary significantly by model year and riding conditions. For some years (e.g., 2003, 2006, 2018), 2 hours for aggressive/race, 5 hours for recreational. For others (e.g., 2010, 2022, 2025, 2026), 5 hours for aggressive/race, 15 hours for recreational. Clean and re-oil regularly. |
| Spark Plug | As needed | No fixed replacement interval. Inspect regularly for wear, fouling, or incorrect gapping. Clean, re-gap, or replace as necessary. |
| Coolant | Every two years or 60 hours or 24,000 km | General recommendation is every two years. Some models specify 60 hours (e.g., 2022) or 24,000 km (e.g., 2026). Replace sooner in harsh conditions. Use coolant recommended for aluminum engines. |
Maintenance intervals can vary by model year and riding conditions. Always consult your official owner's manual for the most accurate information.