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Thumb Throttle Lever Assembly for Yamaha Bear Tracker 250, Raptor 660R, Grizzly 125/350
Thumb Throttle Lever Assembly for Yamaha Bear Tracker 250, Raptor 660R, Grizzly 125/350
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Product Overview
Restore precise engine control to your Yamaha ATV with this heavy-duty Thumb Throttle Lever Assembly. Engineered to match the factory ergonomic profile, this lever provides sensitive and accurate throttle response for a smoother, more stable ride. Whether you are navigating tight ranch trails or open dunes, its high-strength construction ensures reliable performance under extreme conditions without the risk of corrosion or impact damage.
Product Compatibility
| Model Series | Year Range | Specific Fitment Note |
| Bear Tracker 250 | 1999 – 2004 | 2x4 Models Only |
| Raptor 660R | 2001 – 2005 | All Models |
| Raptor 350 | 2004 – 2011 | All Models |
| Grizzly 125 / 350 | 2004 – 2011 | 350 is 2x4 Only |
| Wolverine 350 | 1996 – 2009 | All Models |
| Kodiak 400 / Bruin 350 | 2000 – 2006 | 2x4 Models Only |
| Big Bear 350 | 1997 – 1999 | 2x4 Models Only |
Specifications
| Feature | Details |
| Mounting Diameter | 22mm (7/8") |
| Material | High-Strength Impact-Resistant Alloy |
| Finish | Weatherproof Corrosion-Resistant Coating |
| Throttle Type | Thumb-Actuated Lever |
| Fitment | Standard 7/8" Handlebars |
Key Features
- Sensitive Throttle Response: Manufactured with high-precision internal tolerances to ensure every thumb movement results in an accurate and stable engine response, eliminating "lag" or sticking.
- Ergonomic Thumb Support: The shape and angle of the lever have been specifically contoured to provide natural hand support, significantly reducing thumb fatigue during long hours of riding.
- Heavy-Duty Impact Resistance: Constructed from high-strength materials designed to withstand the vibration and impacts of off-road use, ensuring the lever won't bend or snap in harsh environments.
- Superior All-Weather Protection: Features an advanced corrosion-resistant finish that prevents oxidation from mud, rain, and snow, maintaining smooth operation year-round.
- Direct Bolt-On Installation: Precision-sized for standard 22mm (7/8") handlebars, allowing for a quick and simple replacement of your original worn or damaged throttle unit.
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Fitment FAQ
Will this part fit my specific model and year?
This replacement part is intended for Yamaha Bear Tracker 250, Raptor 660R, Grizzly 125/350. Listed year information includes 1999–2004, 2001–2005, 2004–2011, 1996–2009, 2000–2006. Key physical/spec details from the product data include Mounting Diameter: 22mm (7/8"), 22mm. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this replacement part, also compare the OEM number, dimensions, connector or mounting style, engine/model year, and product photos. This is especially important for Yamaha Bear Tracker/Grizzly models because similar model names can use different parts by year or trim.
What models or situations does this part not fit?
Do not order this replacement part for machines outside the listed compatibility, or for units with different OEM numbers, dimensions, mounting points, connectors, or year-specific configurations. Model years outside 1999–2004, 2001–2005, 2004–2011, 1996–2009, 2000–2006 should be verified separately. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the OEM number, dimensions, connector or mounting style, engine/model year, and product photos. Recheck listed specs such as Mounting Diameter: 22mm (7/8"), 22mm. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
Stock Yamaha cover fits on it as well for an OEM look.