Upgrade your Yamaha YZ80 with the ALL BALLS Crankshaft Bearing and Seal Kit, designed specifically for models from 1974 to 1985. This comprehensive kit includes precision Japanese Koyo and Nachi crank bearings, ensuring smooth operation and reliable performance. The high-quality crankshaft seals feature a carbon/fluorocarbon pad on the seal lip and stainless steel garter springs, providing excellent sealing capabilities and durability. These components work together to reduce startup friction, enhancing dry start performance and minimizing crank pin wear, which extends engine life and maintains optimal power delivery. Installation of this kit offers a significant upgrade over stock parts, improving overall engine responsiveness and longevity. Whether restoring an older Yamaha YZ80 or maintaining a vintage motocross bike, this kit delivers dependable performance with OEM-quality components, backed by the trusted ALL BALLS brand. Built for ease of installation and long-lasting service, it is an essential upgrade for enthusiasts seeking to preserve or enhance their motorcycle's performance. Ensure your Yamaha YZ80 continues to perform at its best with this premium crankshaft bearing and seal kit, engineered for durability and precision
Fitment
Yamaha Dt50 1988
Yamaha Dt50 1989
Yamaha Dt50 1990
Yamaha Dt80 1981
Yamaha Dt80 1982
Yamaha Dt80 1983
Yamaha GT80 1973
Yamaha GT80 1974
Yamaha GT80 1975
Yamaha GT80 1976
Yamaha GT80 1977
Yamaha GT80 1978
Yamaha GT80 1979
Yamaha GT80 1980
Yamaha Mx80 1980
Yamaha Mx80 1981
Yamaha Ty80 1974
Yamaha Ty80 1975
Yamaha YZ50 1980
Yamaha YZ60 1981
Yamaha YZ60 1982
Yamaha YZ60 1983
Yamaha YZ80 1974
Yamaha YZ80 1975
Yamaha YZ80 1976
Yamaha YZ80 1977
Yamaha YZ80 1978
Yamaha YZ80 1979
Yamaha YZ80 1980
Yamaha YZ80 1981
Yamaha YZ80 1982
Yamaha YZ80 1983
Yamaha YZ80 1984
Yamaha YZ80 1985
Yamaha YZ80 1986
Yamaha YZ80 1987
Yamaha YZ80 1988
Yamaha YZ80 1989
Yamaha YZ80 1990
Yamaha YZ80 1991
Yamaha YZ80 1992
REFUND POLICY
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
Returns accepted for 14 days
Customer provides return shipping
20% restocking fee
No returns on final sale items
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at support@mo-moto.com. Please note that returns will need to be sent to the following address:
Mo-Moto/Returns
6082 W Seltice Way STE 121
Post Falls, ID 83854
If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at support@mo-moto.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at support@mo-moto.com.