1964 Triumph T100SC Jack Pine


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Additional photos of this 1964 Triumph T100SC are available here for your perusal.

While desert racers of the 60s flocked to Triumph’s 650 twins, enduro riders were typically found on the British firm’s nimbler 500s. The T100SC was a popular mount for competitors and Triumph embraced that, even referring it to the “Jack Pine” model in brochures – the Jack Pine was a well-known enduro in the forests of Michigan where the T100 frequently had success.

The 490cc parallel-twin motor pushed 38 horsepower through a 4-speed motor. It was paired with a high exhaust and ET (Energy Transfer) ignition, which removed the need for a battery, rectifier, or regulator.

This example is VIN: T100SCH33017, Engine #: T100SCH33017.

The seller acquired it four years ago from a private party that “had it as a hardtail chopper. He had the original numbers matching frame which sold the deal for me. Over a two and a half to three year period I resurrected it (close to) its original glory.

The long list of replaced parts includes: steering head bearings, crankshaft pinion gear, patent plate, tank, timing cover, fork tubes, primary chain adjuster, fork bushings, kickstart return spring and stop plate spacer, gaskets and seals, front brake shoes, primary cover, cylinder base nut set, rocker box nut set, rear brake spring, engine studs, front and rear fender brackets, front fender rear stay, valve spring set, steering damper, push rod seals, cylinder barrels, coils, rear brake plate spacer, primary cover drain plug, rear brake cam return spring, cables, and additional miscellaneous small parts. These totaled up to $1,915.30.

The previous owner rebuilt the top end and put approximately 300 miles on it. I noted an oil leak from between the head and the cylinder block and discovered the cylinder was cracked to the outside of the block. I replaced the cylinder, block honed the cylinders (.040 over), and did a valve job, also replacing the valve springs. I’ve put on about 80 miles on since then.”

Mechanically, the seller points out that the speedometer currently does not work.

Cosmetically, the seller notes a “few nicks in the fenders and slight corrosion on some chrome parts.”

In addition, “the right foot peg may need adjustment or it’s an incorrect one since it was converted from a chopper.”

The seller is letting it go as he can no longer kick start it due to medical issues. Currently located in Quakertown, Pennsylvania, this Triumph is offered on a clean Pennsylvania title.

Have any T100 stories or questions about this listing? Let us know in the comments!

Additional Information


Quakertown, Pennsylvania








True Mileage Unknown





Title State/Country


Private Party/Dealership

Private Party

Additional Charges


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