Adjusting the primary chain on a T140 Bonneville
A SERIES OF long rides on my T140 Bonneville had resulted an increasingly stiff clutch and a certain amount of noise from below, not least an intermittent and strident rattling sound. The former made it clear to me that the clutch and primary chain needed adjustment, while the latter definitely needed attention.
The triplex primary chain sits behind the left-hand engine casing and you can check for play by removing a cap in the
