The YPVS employs a spiral shaped valve located on the top of the cylinder’s exhaust port. This valve is operated by means of a cable from a computerized mechanical control unit which …

In this vídeo I repair the YPVS system on my 87 Yamaha DT 125 LC. The control unit was burned and I've got it repaired. I checked the engine side, and the si...

Yamaha RD 125LC YPVS is produced in 1985-86. Engine is Two stroke, single cylinder, displacement 123 cc / 7.5 cu-in , produces power 20 hp / 15.5 kW @ 9500 rpm and 1.6 kgf-m / …

The YPVS employs a spiral shaped valve located on the top of the cylinder’s exhaust port. This valve is operated by means of a cable from a computerized mechanical control unit which …

The YPVS (Yamaha Power Valve System) video that shows how it works. Thanks to Don1 from the www.tdr250.co.uk forum.

Yamaha Power Valve System (YPVS) Revs Your Heart – Explore the world of Yamaha motorcycles MENU. TOP Related Technology. Adaptive cruise control & Radar-linked Unified …

An easy-to-understand video describing how YPVS works.【Yamaha Motorcycle Technology】https://global.yamaha-motor.com/business/mc/mc-tech/・ハッシュタグ#Motorcycle #Y...

2011年11月16日 · 以後熟成が重ねられ、今日では2ストロークモトクロッサー「YZ125」「YZ250」、そしてマリンビークルにも採用。 排気温度制御の効果もあるYPVSは、触媒を効 …

2025年2月17日 · The Yamaha DT125 LC YPVS 1986 is a classic off-road motorcycle that is highly sought after by collectors and enthusiasts alike. With its iconic blue and white color …

Make Model: Yamaha RD 125LC YPVS: Year: 1985 - 86: Engine: Two stroke, single cylinder: Capacity: 123 cc / 7.5 cu-in: Bore x Stroke: 56 х 50 mm: Cooling System: Liquid cooled