Spare Bolts Kit for Athena Hyper Race Minarelli Vertical TIRE Motul Expert Fork Oil 5W Motul Expert Fork Oil 5W Light is a semi synthetic suspension oil designed for telescopic forks and hydraulic shock absorbers used in scooters It does not include any hardware or springs This complete screw kit with specific Allen key was developed by Athena for Athena cylinder kits intended for vertical air cooled Yamaha Minarelli engines and therefore for legendary applications such as the MBK Booster The OEM cylinder head and cylinder clamping based on studs has been eliminated by introducing a new patent pending system of these special bolts quite close to those used in high level performance engines