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Follow progress of the nashmoto motorized bike project from initial ideas through many upgrades, changes, test designs and failures. This is the place where it happens. You can start at the beginning or get a complete overview in the project archives.



SHORT VIDEO SLIDE SHOW:
Grange Motor Circuit | 10.22.11

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VIDEO: Grange Motor Circuit | 10.22.11

Finally edited race day footage; it’s very nashmoto specific, but you get an idea of what it’s like to race the Grange track. Twenty-two riders in the mixed class motos added to the fun. Thanks to Neil of SoCal Motor Bicycle Racing for putting the races together and doing a great job.

Special thanks to Ken for unexpected video coverage and Ann for great photos she shot throughout the day. See you at the next race April 7, 2012.

(Source: vimeo.com)

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Cruise Mode

I came across a couple photos that weren’t posted anywhere else. They capture the simple version of this bike that I like best. No fairings, race numbers, much quieter and frankly, better looking exhaust pipe rounding out the design.

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Custom manifold mates new 26mm Mikuni performance carburetor

Removed the performance carb AGK sent me so I can try out a Mikuni pit bike carb. Amazingly the engine ran first try, but only with the choke on. Some serious jetting work to do. After more adjustments, this thing screems, but sputters at full throttle. Will also be changing the air filter to something more substantial. Getting closer …

Manifold post »

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Engine Modifications

Should have posted back in October. Splitting the cases on the Honda GHX50 was easy and the performance cam from AGK Affordable Go Karts (the black one) fit perfectly. Big performance boost. Cut and removed the governor shaft plugging the case hole with a glued in bolt. Also removed the weights from the governor flywheel to avoid any potential problems - it’s not needed. Be sure to keep the gear though, it’s part of the lubrication system in the engine.

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Quick video flyby
Racing version of the development bike. Still trying out new ideas. More to come &#8230;

Quick video flyby

Racing version of the development bike. Still trying out new ideas. More to come …

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Mating a 26mm Mikuni carb with a custom manifold to my Honda GXH 50 engine. Testing out an idea …

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SoCal Motor Bicycle RacingA few nashmoto Photos Posted »

SoCal Motor Bicycle Racing
A few nashmoto Photos Posted »

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The race is on!

SoCal Motor Bicycle Racing at Grangé Motor Circuit
More race info/posts on motorbicycling.com: here and here

UPDATE: Posted short video and other general news

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To the races

Engine is race-ready for this weekend in Apple Valley, CA. Clutch and pulley failure Friday almost ended things, but a quick trip to the local machine shop put it back together. Expecting more than 75 riders Saturday at the Grange track.

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