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HIGH-PERFORMANCE
PARTS AND SERVICE
FOR NORTON
TWINS |
JS Motorsport
4480 North Academy Avenue
Sanger, CA 93657
Phone/Fax: 559 875 0659
Email: jim@jsmotorsport.com |
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JS Motorsport Videos |
Lightweight pistons & lifters, longer rods, copper gaskets & street performance demo.
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Flatslide carb installation and adjustment.
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Magneto and flatslide startup demo.
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Kenny Cummings wins at Gratten raceway with lightweight pistons & longer rods.
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Norman test rides his 920cc Seeley on the street with lightweight pistons & longer rods.
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Kenny Cummings takes on a 1000cc Moto Guzzi at Virginia international south raceway and wins using lightweight pistons and longer bushless rods,
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