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Take a look: New-build classic Triumph Special

Take a look: New-build classic Triumph Special

We have recently featured a number of modern classic rebuilds by Sussex-based Boretech Engineering, but how about a ‘new’ build classic?

A customer turned up with a brand new, frame and swing-arm from Cornish specialist Faber and asked Boretech to custom build a Triumph special to a spec that would qualify for classic events.

So Boretech sourced a 1968 Triumph T100 engine and the new build began.

The engine was completely stripped, cleaned and shot blasted. The crankcases were fitted with new bearings and seals and the crankshaft, cylinder head and cylinders moved to Boretech’s engineering department where the crankshaft was reground and fitted with new big end shells and con rods. The cylinders were rebored and the cylinder head had new valve seats cut, refaced and new valves fitted.

Take a look – Triumph Special

The engine was repainted and the outer cases polished in-house. Then it was all reassembled ready to fit into the Faber frame. As the customer only supplied the frame, swingarm and fork clamps, the wheel spindles, brake rod arms, engine brackets and all the spacers had to be made.

With the rebuilt engine in the frame, a full electronic ignition system was fitted along with a new Amal 900 series Concentric carb, breathing through a Twin-Air filter housed in a custom-made air box.

On the chassis side, new DID alloy rims were laced onto BSA style conical hubs and fitted with Michelin tyres.  Betor front forks were fitted with Boretech’s own valve system for improved damping, and the customer-supplied rear shocks also re-valved in-house.  A 520 chain and sprocket kit conversion was also fitted.

As the customer wanted to race the bike, the control cables were made in-house to fit a later type throttle assembly and lever controls.  This makes it much easier to replace the parts after the inevitable slip-off but still keeps an ‘Old School’ look.

The bike was then finished off with aluminium fenders, side plates and fuel tank painted in candy apple red

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