1987 Honda GL1200 Rear Master Cylinder Reservoir Diaphragm ~ Replaces Honda OEM 45520-371-003 GL650 (1983) Install this primary chain in

Install this primary chain in the matching engine primary drive to transfer crankshaft power to the clutch drive

OEM/reference number: 91209-MBO-003

Use area: Speedometer / road-speed gauge

Confirm handlebar diameter

1987 Honda GL1200 Rear Master Cylinder Reservoir Diaphragm ~ Replaces Honda OEM 45520-371-003 GL650 (1983) Install this primary chain inRear Master Cylinder Reservoir Diaphragm Replaces Honda OEM 45520 371 003. This brake reservoir diaphragm seals under the master cylinder cap while allowing brake fluid volume changes as pads wear. Use it when the diaphragm is swollen, torn, hardened, leaking, or no longer seals the brake fluid reservoir. Fitment Compatibility Fits Honda: Honda GL1200A Aspencade (1987) Honda GL1200I Interstate (1987) Product Details Use area: Brake reservoir