- Order number: 047-340903
⚙️ Direct Power Transfer: Primary Drive Gear for SPY Racing Quad
Primary Drive Gear – For SPY Racing Quad SPY250F1/F2 with Zongshen ZS169MM Engine
The Primary Drive Gear is the first gear in the transmission train that transfers the rotational movement and torque directly from the crankshaft to the gearbox (clutch basket). This component is subjected to enormous stress. Wear or damage to the drive gear leads to loud transmission noise, uneven power transfer, and can damage other transmission components in the long term.
This high-strength Primary Drive Gear is the precise replacement to restore loss-free and quiet power transfer in your Zongshen ZS169MM engine. It is made from durable material to withstand the high demands of the 250cc engine.
✨ Your Benefits at a Glance:
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Optimal Power Transfer: Ensures the efficient transmission of engine torque to the gearbox.
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Noise Reduction: A new gear eliminates rattling and grinding noises caused by gear wear.
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High Wear Resistance: Made from hardened material for maximum lifespan under load.
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Direct Fit: Designed for the Zongshen ZS169MM engine in the SPY Racing Quad SPY250.
✅ Perfect Fit for the Following Models:
This replacement part is intended for the engine and gearbox of the following models:
| Manufacturer | Model / Type | Engine | Application |
| SPY Racing | SPY250F1 / SPY250F2 | Zongshen ZS169MM | Primary Gear Drive |
⚠️ Important Installation Notes:
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Complex Assembly: Replacing the Primary Drive Gear requires deep intervention into the engine casing. We recommend qualified specialist personnel exclusively for this repair.
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Check Mating Part: Simultaneously check the condition of the clutch basket (primary driven gear), as it may also be worn if the drive gear is damaged.
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Lubrication: Use new, prescribed engine oil after reassembly to ensure optimal lubrication of the new components.
Restore the smooth running and efficiency of your drivetrain – with this Primary Drive Gear!