Product details
Motul S278 15W-50 Synthetic Motorcycle Oil – Four Litres of Pure Performance for Your Ride
Looking for a cracking engine oil to keep your bike running like a dream? The Motul S278 15W-50 synthetic oil is well worth a look. It’s fully synthetic and features Motul’s Ester Core Technology — don’t let the fancy name put you off, it’s the real deal. This means your engine gets top-notch lubrication, less wear and tear, and a sharper, more responsive feel when you’re really pushing the throttle, whether on the road or the track.
Designed specifically for 4-stroke racing motorcycles, this oil is built to cope with the intense heat and stress that racing or spirited riding dishes out. Your engine stays well-protected even at full tilt, which is brilliant if you want to keep your bike in prime condition without faffing about with constant tinkering.
Worried about clutch compatibility? No need. This oil ticks the boxes with JASO T903 Annex A certification, so it won’t cause any clutch slip or funny business in your wet clutch system. On top of that, it meets and even exceeds current industry standards, so you’re getting more than just run-of-the-mill protection.
The 15W-50 viscosity strikes a sweet spot — it’s not too thick on chilly mornings, nor too thin when the engine’s heating up. Plus, with a handy 4-litre jug, you’ve got plenty to cover multiple oil changes, making it perfect for keeping on top of regular maintenance without running dry mid-season.
All in all, if you’re after a reliable, high-performance synthetic oil made with proper riders in mind, the Motul 104129 is a top-notch choice. Whether you’re tearing up the track or just want peace of mind on your daily ride, this oil has got your back.

