Muffler and Frame Clamps
742-Series
These Original Equipment Manufacturer style muffler clamps come with quality
steel locknut and ‘D washers’ for the original look. Muffler clamps can also be ordered under the O.E.M. part numbers for individual pieces.
As fitted to Triumph and later BSA models. Can also be fitted to a variety of motorcycle mufflers with the noted outer diameter.
Much better than Norton and old style pre1971 style BSA type clamps.
CHROME, COMPLETE
742-138 - MUFFLER CLAMP, 1-3/8" INTERNAL DIAMETER
742-112 - MUFFLER CLAMP, 1-1/2" INTERNAL DIAMETER
742-158 - MUFFLER CLAMP, 1-5/8" INTERNAL DIAMETER
742-134 - MUFFLER CLAMP, 1-3/4" INTERNAL DIAMETER
742-178 - MUFFLER CLAMP, 1-7/8" INTERNAL DIAMETER
742-118/T160 - EXHAUST CLAMP, 1-1/8" INTERNAL DIAMETER, T160 COLLECTOR
#742-118/T160 - EXHAUST CLAMP, 1-1/8", T160 COLLECTOR |
A Brief Guide to Muffler & Clamp Sizes:
Please note that measurements given below are for
stock, low, exhaust pipes. High pipes and custom exhaust may differ. When
ordering for those, or any case where there is any question on size of clamp
required, please advise us of O.D. of exhaust pipe at outlet in inches. Size of
clamp required would be next size up, to allow for wall thickness of muffler.
Outside Diameter of the Exhaust Pipe - Inside Diameter of the Muffler
1962-68 Norton Atlas - 1-5/8" - uses 1-3/4" clamp
1968-69 Norton Commando (w/ Atlas style mufflers) - 1-5/8" - uses 1-3/4" clamp
1970-75 Norton Commando - 1-3/8" - uses 1-1/2" clamp
All BSA Twins - 1-1/2" - uses 1-5/8" clamp
1971-72 BSA A75 - 1-1/2" - uses 1-5/8" clamp
All Preunit Triumph OHV Twins - 1-3/4" - uses 1-7/8" clamp
All Unit Triumph 650, pre 1975 - 1-1/2" - uses 1-5/8" clamp
1973 on Triumph 750 Twins - 1-3/8" - uses 1-1/2" clamp
Triumph Triples used various mufflers and clamps.
Frame Clamps
742-Series
Great for securing exhaust systems, oiltanks, footpegs, crash bars, etc., without welding.
742-78 - FRAME CLAMP, 7/8"
742-1 - FRAME CLAMP, 1"
742-118 - FRAME CLAMP, 1-1/8"
742-114 - FRAME CLAMP, 1-1/4"