Also, if you find parts that are no longer available, let me know so I can update.
Last updated 6-11-18
Brakes:
Front Brake rotor 41080-1365 - There are a lot of good aftermarket options including some oversize rotors that I really like.
Carburetor:
Top chamber cap 16005-1068 - watch eBay
Chassis:
Main frame.. eBay
Muffler baffle 49099-1285 - get a new muffler... There are several available or make a new one from a KX250F muffler
Seat - all styles: eBay or go to Guts Racing for new.
Side panels COVER-SIDE,RH.P.WHITE 36001-1419-6F - eBay or there are a few aftermarket available
Sub frame AC Racing https://www.acracing.com/product-p/02.4250.htm
Petcock valve 51023-1115 - eBay or find a pingle.
Gas Tank 51082-5154-6W - eBay or there are few companies that sell new, Clarke MFG, or IMS.
Front Fork Spring 44026-1620, K=0.4 97-04 KX500
Electrical
Spark Plug Cap 21130-1006 - Get a NGK... they are better then stock.
Engine:
Crankcase set 14001-5258 - These can be repaired in many instances - or watch eBay
JT Engine Works can do many repairs and also offers case lapping.
Crankshaft Right side 13037-1359 - You can still buy the whole crank. Depending on what is wrong many issues can be fixed.
JT Engine Works can do many repairs including full rebuilds, balancing, polishing, and building up undersized journals.
Kick idler gear - 59051-1150
http://www.oem-cycle.com/forum/viewtopi ... gear#p6060
JT Engine Works can repair yours as long as the teeth are good.
Kick Start RATCHET 13078-007 - These can be hand worked to bring them back to life. Not as good as new but better then nothing.
Rear sprocket 42041-1154 - plenty of aftermarket alternatives.
Shift forks 2ND & 3RD 13140-1058 - JT Engine Works and I are working on a repair method. We think we have it but will know more later this week.
KX Guru Racing is also working on making new billet forks but it may be a while before we get them done.
Shift fork 4TH & TOP 13140-1059 - JT Engine Works and I are working on a repair method. We think we have it but will know more later this week.
KX Guru Racing is also working on making new billet forks but it may be a while before we get them done.
Transmission gears can be undercut or hard rod welded, and the pressed in bushings can be replaced as long as the teeth are good.
GEAR,OUTPUT LOW,32T 13129-1180
GEAR,OUTPUT 4TH,21T 13260-1021
GEAR,OUTPUT 2ND,26T 13260-1102
Suspension:
Fork Set 44070-1551-14 - There are still a lot of new parts available but no complete fork sets - eBay or consider upgrading your suspension to the KX450F forks.
Fork upper aluminum tube 44008-1037-14
Swingarm 33001-1496-TX - eBay or repair
JT Engine Works can fix most issues.
Upper triple clamp 44039-1295 - eBay or there is several after market sources available.
UNI TRAK ARM SUSP 39007-1186 - eBay or many of these can be rebuilt depending on the issue.