Yamaha Smax — Engine
High risk
Apr 9, 2021
Model years: 2015, 2016, 2017, 2018, 2019, 2020
On certain scooters, the primary sheave nut in the clutch could loosen and fall off over time. If this happens, the engine could stall and you may not be able to restart it.
Also affects: Yamaha 1-
Yamaha Smax — Engine
High risk
May 25, 2020
Model years: 2015, 2016, 2017, 2018
On certain scooters, the cylinder head nuts may not have been tightened properly and could loosen. If this happens, the cylinder head gasket can fail. This could prevent the engine
Also affects: Yamaha 1-
Yamaha Smax — Electrical
High risk
Dec 6, 2016
Model years: 2015, 2016
On certain motorcycles, an incorrect speed sensor cable clamp may allow the clamp to move from its original position when turning/steering. If this happens, the speed sensor cable