RFX Pro Series HCS Rear Sprocket Kawasaki KX125-250 KXF250-450 82-23 (Steel) Various Sizes
RFX Pro Series Hi-Carbon Steel (HCS) sprockets are perfect for the rider looking for longevity and value for money from their sprockets while offering genuine quality not found elsewhere.
Certified Hi-Carbon Steel offers unbeatable wear properties and its added strength over mild steel allows for a lighter profile design, this means the weight increase over aluminium is kept to a minimum.
RFX HCS sprockets are precision Laser cut for more precision and tighter tolerances.
Pro Series HCS Sprocket Features
- Certified Hi-Carbon Steel
- CNC Laser Cut.
- CAD designed profile for lightness.
- Mud clearing grooves to reduce wear.
- Rigid design increases torsional strength.
- Tighter tolerances improve performance.
Fitting Instructions:
- Start with bike on a stand with the rear wheel raised from the ground.
- Remove chain and wheel from bike.
- While holding the Hex key loosen the nuts with a spanner.
- Remove all nuts and old sprocket.
- Clean around the hub making sure clean and free of debris.
- Take the new sprocket and place on hub ensuring a nice snug fit making sure the bolt holes are in position.
- Clean sprocket bolts & nuts.
- Apply Blue Loctite to each bolt and insert in the holes.
- Thread nuts on to bolts by hand ensuring locking seals are intact and in good condition.
- Hold Hex key in place and tighten nuts even pattern.
- Torque nuts and bolts in accordance to your owner’s manual.
- Put wheel back in bike making sure chain is corrected aligned and tightened to manufacturer’s specification.
Model | Year | Pitch | Part Number |
KX 125 | 98-99 | 520 | FXRS 20-48 |
KX 125 | 92-95 | 520 | FXRS 20-49 |
KX 125 | 00-02 | 520 | FXRS 20-49 |
KX 125 | 96-97 | 520 | FXRS 20-50 |
KX 125 | 03-08 | 520 | FXRS 20-51 |
KX 250 | 87-89 | 520 | FXRS 20-47 |
KX 250 | 90-91 | 520 | FXRS 20-48 |
KX 250 | 92-98 | 520 | FXRS 20-49 |
KX 250 | 99-01 | 520 | FXRS 20-49 |
KX 250 | 02-05 | 520 | FXRS 20-49 |
KX 250 | 02-08 | 520 | FXRS 20-51 |
KX 500 | 87-04 | 520 | FXRS 20-47 |
KXF 250 | 04-05 | 520 | FXRS 20-48 |
KXF 250 | 06-10 | 520 | FXRS 20-48 |
KXF 250 | 11-19 | 520 | FXRS 20-50 |
KXF 450 | 06-19 | 520 | FXRS 20-50 |
KDX 200 | 89-06 | 520 | FXRS 20-47 |
KDX 200 | 84-88 | 520 | FXRS 20-48 |
KDX 220 | 97-05 | 520 | FXRS 20-47 |
KDX 250 | 91-94 | 520 | FXRS 20-48 |
KLX 250 | 94-98 | 520 | FXRS 20-50 |
KLX 450 | 08-14 | 520 | FXRS 20-50 |