Triumph BSA 650 750 Twins 5 Speed Clutch Sprocket Door Backing Plate Cover PN# 70-3789 E3789


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SKU: 633726157439 Categories: , Tags: , Brands:


Top notch replacement Triumph / BSA sprocket door cover for 5 speed 650 & 750 twins 1972 onward. If you are fitting a 5 speed gearbox to your 1972 & earlier Triumph unit 650 twin, you’ll need to replace your existing sprocket door with this one.

For the oil seal to fit this cover, click here.

For the backing gasket, click here.

Don’t forget new fixing screws, click here.


LF Harris motorcycle spares are produced to the highest quality standards possible utilizing original Triumph tooling, dies, factory blueprints & materials combined with modern manufacturing equipment, tolerances & techniques.

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