Yamaha Zuma 125 / Vino 125 1000 RPM Contra Spring
ITEM# TT-26609
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Description
1000 RPM Contra Spring for Yamaha Zuma 125 and Vino 125
This 1000 RPM contra spring is made for Yamaha 125cc 4-stroke scooters, with the Zuma 125 and Vino 125 as the main target models. It helps keep CVT behavior steady over long periods of riding. It is also one of the Yamaha Zuma scooter parts that can sharpen mid-range pickup and help with climbing hills. It also lets the scooter back-shift more quickly, which makes it easier to handle in city traffic.
Construction and Durability
The spring is formed from high-fatigue silicon-steel, which holds its tension well and helps prevent "spring sack." A dark coating adds some protection against heat and rust, especially in the rear pulley area. It measures 116mm long with a 54.5mm inner diameter.
Performance Benefits
With a 1000 RPM rating, the spring delays upshifting slightly, so the engine stays in its power band for stronger acceleration uphill. Riders who often travel hilly routes will likely notice this most. For the Zuma 125, pairing it with 10g or 11g roller weights can help balance performance across different riding conditions.
Specifications
- RPM Rating: 1000 RPM
- Spring Length: 116mm
- Inner Diameter: 54.5mm
- Wire Diameter: 5.0mm
- Material: High-fatigue silicon-steel
- Made in: Taiwan
- Fits: Yamaha Zuma 125 (BWS, 2009-2021 air-cooled), Vino 125, and Cygnus X 125 (select models)
Fitment
Fits:
- Yamaha Zuma 125 (BWS, 2009-2021 air-cooled models only)
- Yamaha Vino 125 (all years)
- Yamaha Cygnus X 125 (select models requiring 116mm length)
How to choose: Check your current contra spring against these figures: 116mm length, 54.5mm inner diameter, and 5.0mm wire diameter.
Shop more: Yamaha Zuma Parts · Yamaha Scooter Parts · Scooter Transmission & Final Drive · Scooter Parts
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