Bel-Ray Thumper Racing Synthetic Blend 4-Stroke Motor Oil

Bel-Ray Thumper Racing Synthetic Blend 4-Stroke Motor Oil
  • View Larger

    Bel-Ray Thumper Racing Synthetic Blend 4-Stroke Motor Oil

    Our Price: $9.09$28.55

    MSRP: $12.49 - $41.75 - You save up to $13.20 (32% off)

    View Product Details

    Select options above to check availability

    Live Help
    • "Customer service is priority #1 at Rocky Mountain ATV/MC. We value our customers and strive to be the best shopping experience- when you buy from us, you are buying lifetime service."

      -Dan Thomas, CEO and Founder

    • Returns

      We take pride in offering no hassle returns. In the event of a return, please call, email or chat with us to receive a solution to the problem. For apparel that doesn't fit quite right, Click here to see our Fit Guaranteed Program.

    • Warranties

      We will stand behind all products we sell with regards to manufacturing defects in workmanship and material. Most products are limited to the manufacturer's warranty. However, we will do everything in our power to take care of the problem.

    • Have questions?

      Live Help (Leave email if after hours)
      Email: sales@rockymountainatv.com
      Call us: 1 800 336-5437
      7am-7pm Mon-Fri 8am-4pm Sat (Mountain Standard Time)

    Details

      Bel-Ray® Thumper Racing Synthetic Ester Blend 4T Engine Oil is a 4-stroke motorcycle racing oil that combines the finest quality synthetic esters and highly-refined mineral base oils specifically engineered for today’s 4-stroke single cylinder, multi-valve racing engines. Provides maximum anti-wear protection for valve-trains, rings, cylinders and pistons. Delivers maximum horsepower while providing consistent clutch performance. Suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches. Meets API SM and JASO MA2 requirements.
    • Can be eseed in all 4-stroke motorcycle engines with or without wet clutches.
    • Reduced cylinder and ring wear.
    • The shear stability provides superior lubrication and film strength. Minimizes friction for maximum power.
    • Prevents clutch grabbing for an easily controlled and efficient gear shifting and clutch operation.

    Bel-Ray Thumper Racing Synthetic Blend 4-Stroke Motor Oil Reviews

    Each review submitted enters you into a
    $100 gift card monthly drawing and a
    $500 gift card quarterly drawing!
     
    4.8 / 5.0
    60 Reviews
    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Stars
    49
    9
    1
    1
    0
    Value
    4.8 / 5
    Longevity
    4.9 / 5
    Performance
    4.9 / 5
    Recommend it?
    Yes (12)
    Value
    5 / 5
    Longevity
    5 / 5
    Performance
    5 / 5
    Recommend it?
    Yes
    Love the oil
    Love love love bel ray oil . Got 80 hours on my 350 still rocking out
    April 30, 2018
    San Antonio , TX, US
    Age: 25-44
    Purchased
    1 month ago
    Gender:
    Male
    Weight:
    161 - 190 lbs.
    Height:
    5'10 - 6'0
    Value
    5 / 5
    Longevity
    5 / 5
    Performance
    5 / 5
    Recommend it?
    Yes
    Buy some now!
    This oil holds it own in my 450s. Im stuck on this thumper oil right now. Works great in my engine and transmission
    April 24, 2018
    Eldorado , IL, US
    Age: 25-44
    Purchased
    11 months ago
    Gender:
    Male
    Weight:
    221 - 250 lbs.
    Height:
    6'1 - 6'3
    Recommend it?
    Yes
    Great product
    I have never had an issue with any bel-ray product. I have been using there stuff for over 20 years. Added bonus made in USA. I try to by American made as much as possible.
    April 4, 2018
    Avilla , IN, US
    Purchased
    1 month ago
    Value
    5 / 5
    Longevity
    5 / 5
    Performance
    5 / 5
    Recommend it?
    Yes
    Bel-Ray Thumper Oil
    I used to run full synthetic in my dirt bike but as my kids got dirt bikes I have too many to spend the money for the full synthetic. I've used this product a couple of times now and it seems fine. I've always trusted bel-ray oil for as long as I have been doing this. I'm 41 years old and have had a dirt bike almost my whole life. I've run bel-ray all those years and never had a problem. I liked the two stroke mix too when i was running one of them. Currently running 2 YZ 450F's, 1 YZ 250F, 1 KX 250F, 1 KX 140L, and a Kawasaki Brute Force.

    -m-2017 YAMAHA YZ450F--
    March 5, 2018
    Ephraim, UT, US
    Age: 25-44
    Purchased
    2 months ago
    Gender:
    Male
    Weight:
    191 - 220 lbs.
    Height:
    5'10 - 6'0
    Value
    5 / 5
    Longevity
    4 / 5
    Performance
    4 / 5
    Recommend it?
    Yes
    Bike seems lubricated, guess it works
    It's oil. Seems to stay oily in my bike, which is good. Pretty cheap.
    November 21, 2017
    Pittsburgh, PA, US
    Age: 25-44
    Purchased
    8 months ago
    Gender:
    Male
    Weight:
    161 - 190 lbs.
    Height:
    5'7 - 5'9
    Value
    5 / 5
    Longevity
    5 / 5
    Performance
    5 / 5
    Recommend it?
    Yes
    I haven't been using this oil very long but I like it's preformance so far.
    October 25, 2017
    Bruceton Mills , WV, US
    Age: 25-44
    Purchased
    8 months ago
    Gender:
    Male
    Weight:
    221 - 250 lbs.
    Height:
    6'1 - 6'3
    Value
    5 / 5
    Longevity
    5 / 5
    Performance
    5 / 5
    Recommend it?
    Yes
    Always use!!!
    I always use Bel-Ray products for my bikes. I have never had any issues with Bel-Ray.

    -m-2007 SUZUKI RMZ250--
    September 17, 2017
    Kingsport, TN, US
    Age: 45-64
    Gender:
    Male
    Weight:
    131 - 160 lbs.
    Height:
    5'10 - 6'0
    Value
    5 / 5
    Longevity
    5 / 5
    Performance
    5 / 5
    Recommend it?
    Yes
    Eye of the Tiger
    Bel-Ray will not give you the eye of the tiger but they make great oil. I've been using Bel-Rey since my 125 two stoke days back in the 70s. Using it ever since. Get some.

    -m-HONDA CRF450R--
    June 13, 2017
    Rockledge , FL, US
    Age: 45-64
    Purchased
    1 year ago
    Gender:
    Male
    Weight:
    161 - 190 lbs.
    Height:
    5'10 - 6'0
    Value
    5 / 5
    Longevity
    5 / 5
    Performance
    5 / 5
    Recommend it?
    Yes
    Great Oil
    Performance is unmatched for my 2017 Yamaha 250f. I have used in all my bikes.
    May 29, 2017
    Great Barrington, MA, US
    Purchased
    1 year ago
    Value
    4 / 5
    Longevity
    5 / 5
    Performance
    5 / 5
    Recommend it?
    Yes
    Very good film strength
    I have tried other oil products,but always come back to a great product in Bel-Ray.
    March 26, 2017
    Hermitage, PA, US
    Age: 45-64
    Purchased
    1 year ago
    Gender:
    Male
    Weight:
    191 - 220 lbs.
    Height:
    5'10 - 6'0
    Each question or answer submitted enters you into a:
    $100 gift card monthly drawing and a
    $500 gift card quarterly drawing!
    Start typing your question and we'll check if it was already asked and answered. Learn More
    Browse 2 questions Browse 2 questions and 5 answers
    Can I run this oil in1000 Polaris razor ?
    A shopper on Sep 26, 2017
    BEST ANSWER: This oil is specifically designed for 4 stroke single cylinder air cooled motorcycles& wet clutches according to Bel Ray. I suggest you take a look at their website for your correct oil needs, very informative.
    Can this be use in 2017 kawaski klx 140 2007 Honda 450r and a 2007 dvx 400 ?
    Joshua H on May 16, 2018
    BEST ANSWER: Yep you can, i use this oil for my crf450, crf 230 and now for my RMX450
    RM Cash ProgramParts Finder