Valve Stem Seals (5mm) YX125 YX140 LIFAN 50cc-140cc DIRT BIKE PIT BIKE

Is your engine smoking on start up? Or are you doing a rebuild? Our Valve Stem Seals have got you covered. Made from high quality durable material, these Valve Stem Seals will create a perfect seal around your valves to prevent leaks. 

SPECS -

• ID: 4mm (designed for a tight fit around 5mm valves)
• OD: 10mm 
• Height: 8mm
• Sold as a pair

FITMENT GUIDE - 

YX125 and YX140 engines. Forza 125cc, Forza 140cc, Lifan 125cc, Lifan 140cc. Also suitable for many 50cc-140cc Chinese engines with 5mm valves. 

Please check photos and measurements to ensure correct fitment. If unsure, email our friendly sales team sales@motorvated.co.nz