Top Shelf Transmission Bearing Kit For Honda Crf 450 X With Shift Drum Needle Bearings Primary Secondary Shafts Output Collar And Washer Crankcase Refresh Built Tough Ready To Roll Smooth Shifting Guaranteed For 2005 2017 Models
✔️ Primary secondary shafts rollers shift drum output collar
This transmission bearing pack swaps out fatigued rollers and collars when rebuilding a cracked or seized crankcase on sport dual sport dirt bikes. Mechanics drop it in whenever they split cases to restore factory clearances across the shifting drum and main drive shafts.
✅ Hot Rods factory spec bearings for primary drive shafts✅ Precision needle roller matches crankcase shift drum tracks
✅ Heavy duty output flange collar pairs with stock crusher washers
✅ Excludes coolant pump seals and balance shaft internals
💡 What knocks out slickness in a motocross gearbox faster than normal wear?
Hard wheelies and chunky jumps beat up the steel races, making levers feel mushy till you split the cases. Dropping in a handy replacement pack keeps the powerband snappy while you tackle steep rock gardens.
- Line up fresh tapered rollers for snappy upshifts under full throttle
- Seat new needle cages in the track guide to kill that rattling noise
- Mount stout output collars to stop shaft walk during big pops
- Toss in matched bushings to cover the whole drive path for lazy cruising