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For more than 15 years, U.S.-based Vortex Racing continues to manufacture, market and sell top-quality motorcycle racing components for Motocross, Supercross, Road Racing, Flat Track Racing and Minibikes. Owned and operated by motorcycle racers and enthusiasts, they focus on absolute quality. Each of their race components is made to the tightest tolerances with the best quality materials in the industry. Vortex tests on the track with direct feedback from top professional race teams worldwide. Vortex parts have been put to the test by some of the world's most respected champions and teams.
Made of the high carbon steel for maximum strength.
Induction hardened to reduce surface wear.
Special Vortex nickel plating to resist corrosion.
Precise tolerances to ensure concentricity.
Drilled lightening holes reduce rotating mass on most applications.
I purchased the 52 T Vortex rear sprocket for my 03 KX 250. I am trying to use the stock front sprocket. However, the chain is not seating on the rear sprocket. Is the stock front sprocket not compatible with the new rear? If not, will the vortex front sprocket correct the problem?
Over 7 years agoLocation: Portland, OR
It shouldn't matter if you are running the stock front sprocket. There could be a couple different issues if the chain isn't seating right. If you are using your stock chain, it could just be too stretched out. The only other thing I could think of is if the sprocket's teeth are somehow off in spacing. I would recommend picking up a new chain if you haven't already done that, or contact Vortex to see if this is a common issue.
Top 1000 Contributor
Over 6 years agoLocation: west virginia
when your going to buy a new sprocket or chain its a good ideal to go ahead and buy both front and rear sprockets and a chain at the same time because these parts wear together,your chain is probably just to stretched to fit in the new sprockets teeth.i would go ahead and get a new chain and front sprocket if i where you