Maintenance & Technical > KX500 Original

Ordering Sprockets and chain...suggestions please

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Kaveman42:
Im gonna order front/rear sprockets and a chain. I was wondering if I should go with the Renthal which is aluminum or go with gnarlyparts.com which would be steel?

Which size should I go for? 13/48 or 13/49?

Im thinking about the Renthal chain but what size chain do I need? X-Ring? O-ring? non O-ring?

I usually ride light trails since im a beginner. I noticed that I stay in 1st gear a lot and it does kinda bog down the engine at lower speeds. Thats why Im thinking about the lower gears. Im not sure what size I have now since the wheel is at the shop getting the spokes fixed. I can let you know when I get it back.

Thanks for your input.

Kaveman42:
I just noticed my front sprocket has 15teeth. I had a feeling this bike was setup for speed. I wonder what my rear has.

alan:
O-Ring-O-Ring-O-Ring-O-Ring-O-Ring-O-Ring-O-Ring-O-Ring-O-Ring-O-Ring-O-Ring-O-Ring-O-Ring-O-Ring!

The largest front sprocket you can use to achieve the desired ratio the better!

Alan :)

afritts4u:
I just ordered and received a steal sunstar. Got it from Denniskirk for $27. It would make a good dumbell weight. I would have returned it if I did not have to pay for shipping. A few mfg like sidewinder claim an increase of 2 rear wheel horsepower by using a lighter sprocket. The rear sprocket is both unsprung and rotating, double the effects of extra weight!

So my advice go with a hybrid like sidewinder or an aluminum. Im running my steal at the moment and it feels like I have a flywheel weight. Makes the rear brake feel like its doesnt work too!

Kaveman42:
How do the chain sizes work? What size would I need for my 1989 KX500 if I go with 13/49

I measured my chain and its about 72 inches.

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