Lucas Semi-Synthetic SAE 10W-40 ATV Engine Oil is a long lasting oil that stands up to the high temperatures of slow moving hard-working air cooled engines. It exceeds manufacturer specifications and meets JASO specifications.
API SL Certified, Lucas Synthetic SAE 50W MC Oil is specially formulated with the finest base oils and exclusive Lucas high performance additives for all 4-stroke air cooled V-Twin / Opposed Twin / Slant Twin engines made after 1984.
OMG unbelievable! I put the 12 oz as suggested and less than 4oz on tranny and clutch. I drove my Harley and I was amazed how quiet and smooth the sound of shifting gear. The engine is quiet as well with no metal noise. I'm impressed! Thanks for this product.