Archive for the ‘builds’ Category

A G50 Premier | Works G50 Racers Now Available

After an outing on stunning Minnovation Racing Works Seeley G50 at Cadwell Park, a deal was struck for NYC Norton to provide complete Seeley G50 racing bikes here in the states. Minnovation and NYC Norton immediately began collaborating, building up the sister bike to the Minnovation Works G50 to showcase and campaign here in the US.   The bike was completed and track-ready by early September, 2012, in time for AHRMA/Barber festival, and a shakedown run at Summit Point beforehand.  Weighing in at under 240lbs it is an incredibly ... read more

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Breathe Deep | An exhaust to frighten the backmarkers

Today was a good day.  We had master fabricator and bicycle craftsman Seth Rosko of Rosko Cycle Company come to the shop and mock up an exhaust system for the Seeley NRE.  Dave Nourish is very specific with his lengths and diameters, and to keep the tuned lengths out of the way of the rider, each side will be tucked behind the frame rails, which will require some scalloping of corners of the beautiful oil tank.  Seth is the man for the job, and after an hour of cutting and ... read more

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StealthFighter | More on the ressurrection of a 750 Commando

Brushed and flat: When a project gets moving, sometimes it takes a while for it to show its character.  When we built up the motor for this bike, it was built around a good cam, porting, carbs, etc.  It was a race motor alone on the bench.  As we started to build up the bike around it, the function started steering the form. With the PW3 cam and the ported head it was clear a good exhaust would be necessary.  During a shop visit one day, owner Peter Billow looked ... read more

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Clearances | Alignment is king

The NRE 750 motor has some unusual spacing dimensions, so careful alignment is in order.  Shims and custom spacers are used to get everything in its proper place.  It all starts with getting the motor and gearbox aligned in the chassis.  Then, the clutch must align with the crank pulley.  Spacer there, moving it outboard a bit for true belt run.  Then onto gearbox-to-rear sprocket alignment.   A very handy laser alignment tool aids in locating the rear hub to its proper place for a perfect chain-run to the countershaft ... read more

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NRE in the house | Nourish 750 fitted up to chassis

Looking good, feeling good.  We had to work to make it happen, but the Magyar NRE 750 was shoveled in to fit to its Seeley MKII frame.  A little-known factoid about these motors: The case mounting-bolt bosses are different widths and require appropriate shimming.  No two of them are exactly the same dimensions, so a lot of attention was put into the plates to get it all into the Seeley and keep it perfectly lined up.  This, and the ribbed oil galley under the timing cover was certain to foul ... read more

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99% Done | ...about 2% to go

Almost there.  The first bike ever put onto the track by us has been almost completely resurrected (with a few upgrades, tweaks, fabrication details, etc).  Today the primary cover mounting system was fabbed and the cover installed.  Tomorrow, maybe a chain, some safety wire, and a few dyno pulls.  We'll see. This is an Open GP/BEARS bike, through and through.  Expect to be seeing it on the track again this year.

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