Aermacchi Grand Prix Racer Restored Motorcycle

15 Май 2015 | Author: | Комментарии к записи Aermacchi Grand Prix Racer Restored Motorcycle отключены
Aermacchi 250 CRTT
Aermacchi 250 CRTT


Story by Glenn / photos by Jeff Dawkins

Ray (no relation) has a history of buying, riding and selling specialized His latest acquisition came to him some discussion with a at Canadian Tire Motorsport (formerly Mosport) while he was his 350 Aermacchi in the Vintage Road Association series.

A fellow John Beelen approached Ray in the and mentioned that he owned the deal,” a 250 CRTT Aermacchi. some discussion, Ray learned the bike had spent many in a trailer, and even though talks were enough to Ray’s interest, nothing for quite some time. discussing it with Dave a fellow Aermacchi racer and for Team Obsolete, Ray decided to the next step and went to see the Grand Prix race

The 1967 Aermacchi CRTT here is number 26 out of only 35 that year by the factory to on the European Continental Circus. A few also came to North and this was one of them.

Ray was a little by the condition of the bike, tucked in the corner; many parts rusted beyond repair, and it had living in every nook and – the result of sitting in a trailer since 1974. Its saving grace was that the had been rebuilt after its race, and it had oily rags in every orifice. Upon this, Ray thought the CRTT have some merit all, and as luck would it, the engine turned over

While the restoration continued, Ray the only incorrect piece on the bike. It should have had a magnesium four-leading shoe brake with a 230 mm drum, but it sported a twin-leading shoe assembly. He found an original front brake assembly in

Wanting to know more the bike’s history, Ray began questions amongst the VRRA He only came up with two of people who had raced a CRTT, but one had a 1967. He contacted Paul wondering if in fact it could be his old bike, but there was no way to determine from photos alone.

The only distinguishing factor might prove its history, Ray was to inspect the rear brake. The came from the factory a Ceriani 200 mm twin-leading shoe magnesium hub, which was a potent rear brake. had shaved half of the lining off to it less powerful.

Upon Ray found that it was indeed as Paul had described. Paul raced it in 1973, but then it was sold, he lost touch its whereabouts.

Aermacchi produced very motorcycles in the early- to mid-sixties; in they dominated the European up to about 1966 or 1967, the Suzuki 250 two-strokes entered the Suzuki … Aermacchi’s overnight.

Aermacchi 250 CRTT

According to Ray, the can still hold its own at the Manx race on the Isle of Man due to the reliability of the compared to the two-strokes, which to self-destruct on the 37.73-mile mountain

To put the power of the factory CRTT perspective, Ray has done an enormous of engine work to his 350 former bike, including a shortened and short-… Yamaha connecting rod and big valves and a hot cam, straight-cut and much more to produce 34 hp (a stock 350 is in 26 hp range). The CRTT 250 out 33 hp in stock form. However, one of the downfalls is the 10,500 redline, an number for a pushrod engine.

This is why the high-revving 250 cc engine had a to drop valves, and the reason engine had been previously

Upon finishing the restoration, Ray to source a European CRTT fairing to add a bit of flair to the otherwise flat-sided North American

While Ray has taken his rare GP to the track for a brief shakedown he says he hopes to race it in the VRRA season, vowing to a close eye on the redline and the valves. Ray the 250 easily pops wheelies and weighs about 93 kg. “It’s embarrassing when you weigh as as your bike.”…(read more)

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Aermacchi 250 CRTT
Aermacchi 250 CRTT
Aermacchi 250 CRTT


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