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Motorcycle Lubricants
Motorcycle Lubricants
Motorcycle Lubricants
Motorcycle Lubricants
Motorcycle Lubricants
Motorcycle Lubricants
Motorcycle Lubricants
Motorcycle Lubricants
Motorcycle Lubricants
Motorcycle Lubricants
Motorcycle Lubricants
Motorcycle Lubricants
Prices are calculated for:Luxembourg, Other Payment Options
Bel-Ray Thumper Racing Synthetic Ester Blend 4T is a racing motorcycle oil that combines the best synthetic esters and highly refined mineral base oils, specially designed for today's four-stroke single-cylinder, multi-valve racing engines.
It provides maximum wear protection for the valve system, cylinders, and pistons. It delivers maximum horsepower while providing consistent clutch performance.
Additionally, it meets the requirements of API SN and JASO MA2, and is suitable for air-cooled, liquid-cooled four-stroke engines and wet clutches.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.
In Honda GTR150, I tried the Motul 7100 10w-30 and they didn't work well... the gearbox was too hard and the engine was noisy.
My friend recommended the Bel Ray Thumper 10w-40 and how good of an oil it is, so I switched to it from Motul 7100.
The gearbox is now like a joystick and the engine sound is smooth.
Unfortunately, it doesn't have viscosity 10w-30 as recommended in the Honda manual, but 10w-40, not that it makes a difference... anyway, the cold start is a 10 in both.
I have a cbf 250. First time using this specific oil. It is simply AMAZING. It eliminated the little noise it had from the valves and the gearbox works like a joystick.
I have tried Motul and Castrol as well.
Nothing compares to Bel Rey.
Verified purchase
I installed it in a Transalp 750, I prefer it over the 10W-30 that Honda recommends, due to the hot climate in Greece.
Verified purchase
SIMPLY PERFECT!!!!!!!!
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Very good oil. Less noise in the engine.
Verified purchase
Perfect. The machine works like new. No comparison to the previous oils.
Verified purchase
Excellent high-quality oil from America!!!!
Verified purchase
Verified purchase