Motorcycle Engine Seal For Honda XR600R XR650L XL600R XR500R GB500 1983-2023 Work for Fit For Honda XR600R 1985-1990 XR650L 1993-2023 XL600R 83-87 XR500R 83-84 GB500 89-90 offroad motorcycle right crankcase joint assembly Align bolt hole layout; support direct bolt on assembly without or extra auxiliary fittings Block seepage internal pressure loss; keep stable engine lubrication during rough trail riding Adopt multi layer composite sealing sheets with smooth trimmed sealing edges Match crankcase cover outline thickness; fill joint gaps to maintain long term sealing tightness