Bel-ray Thumper Racing Synthetic 4t Engine Oil
Bel-ray Thumper Racing Synthetic 4t Engine Oil
Available in stock (15)
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil is specifically formulated for the demands of single-cylinder, multi-valve engines found in off-road motorcycles and ATVs. It combines synthetic esters with highly refined mineral base oils and premium additives to deliver exceptional performance and protection.
Description
This advanced oil provides superior anti-wear protection for critical engine components such as valve-trains, rings, cylinders, and pistons, ensuring long-lasting performance and reliability. Extreme pressure additives promote smoother shifting and consistent clutch performance, while also maximizing horsepower output. Bel-Ray Thumper Racing oil is engineered to withstand the extreme conditions of racing, making it the ideal choice for riders who demand the best. Recommended oil change intervals are 2-4 hours for MX bikes or 3500-4000 miles for dual-sport applications, depending on riding conditions. Bel-Ray Thumper Racing 10W-40 engine oil keeps your engine running stronger, longer.
Features & highlights
- Provides exceptional anti-wear protection for valve-trains, rings, cylinders, and pistons.
- Formulated for single-cylinder, multi-valve off-road and racing motorcycle & ATV engines.
- Delivers smoother shifting and consistent clutch performance under extreme pressure.
- Maximizes horsepower and overall engine performance.
- Withstands extreme racing conditions for extended engine life.
- Ideal for riders changing oil frequently in demanding conditions.
Technical specifications
- Brand: Bel-Ray
- Type: Engine Oil
- Oil Base: Ester (Synthetic)
- Viscosity: 10W-40
- Application: 4-Stroke
- Container Size: 1 liter (1.05 US quart)
- Meets or Exceeds Requirements for: JASO MA2, API SN
- Packaging: Sold Each (12 per Case)
Important to know
This product is sold individually. Each case contains 12 units.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
BEL-RAY
99520-B1LW
Oil
4-Stroke
Engine
Each


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

