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Springs

Question) Hi Joe, I have a MX-Z Adr/2006 800 p-tek button secondary w/1.25 track. I took my secondary apart last night and noticed that I’m running a stock green spring, at that time I opted to stay with the stock green 180/300. What would the performance difference...

Engine/Compression/Jetting

Engine Fitness – Engine has high miles. Compression check? Question) My sled has about 6000 miles on it. What can wear, what can I look for? Answer) With 6000 miles on your sled, how many miles does engine have? I want to know what kind of shape your piston...

FLYWEIGHTS (APPLICATION)

Flyweight – Going from stock engine to big bore, change flyweight? Question) Have your clutch kit on stock 800R x 154″. 15.3g for 8150, clicker 4. Dropping in 860BB. Currently have your mountain kit installed. What do you recommend for a set up for this...

Gearing

G4 Chain and gear chart 2019 Gearing – Mountain Specific If you ever want to regear, it’s not a problem with this kit to go any of these ratios, in fact my helix’s work so well with lower gearing for whatever track speed you achieve, it will maintain it with...

TRA Primary Clutch Alignment

Sliding sheave bushing For latest maintenance parts, check the information below the two pictures. Primary Clutch Maintenance parts – Measure your parts to see if within wear specs and change parts if needed. Maintenance kit for drive pulley (buy from local...

Secondary REV MXZ

HPV & LPV – 27 When you have the Roller secondary apart, apply your favourite “Brake Kleen Solvent” to get the rollers moving freely. Axle wear – Remove the rollers from the axles, checking for abnormal wear on the axles “shiny spots that...