Should I buy it? 2003 wr450f exc cond $4000
Posted July 27, 2004 - 02:28 AM
Posted July 27, 2004 - 04:34 AM
Posted July 27, 2004 - 06:17 AM
Posted July 27, 2004 - 06:50 AM
I would buy a 2004. I had to push mine up a mountain to get home. It sucked.
Posted July 27, 2004 - 08:45 AM
Posted July 27, 2004 - 12:04 PM
Unmodified 2003 WR450's shear the flywheel key. You then end up pushing the thing. The parts are 300 bucks to fix it. Resale value is lower because of the bad reputation. I would buy a 2004. I had to push mine up a mountain to get home. It sucked.
not all bikes had this problem, I dont know the exact number that did, but I have put 3500 miles on mine since new january last year and have not had a single problem with it.
Posted July 27, 2004 - 01:36 PM
Posted July 27, 2004 - 02:49 PM
Posted July 27, 2004 - 03:23 PM
not saying the 04 upgrade is not worth the price and peace of mind but people assume all 03's had problems, mine has never sheared a key, has never had the TSB done on it, never had any starter problems and I often put 70+ miles on the bike in one weekend without worring how far off road I am. just my opinion.
Even with 3500 miles do not assume you are safe. The late model 03s had a bandaid fix that will in all likelyhood fail eventually (many have). The 04 starter upgrade is worth the price for peace of mind for ALL 03 models.
Posted July 27, 2004 - 03:56 PM
Posted July 28, 2004 - 05:19 PM
Posted July 29, 2004 - 09:06 AM
Befow, are the part numbers you will need to upgrade your 03 Yamaha to the 04 starter configuration. Prices are retail.
5TJ-15498-00-00 COVER ASSY 2, $31.83
5TJ-15560-00-00 WASHER, $223.99
90201-105A8-00 WASHER, PLATE, $3.65 (2EA REQUIRED),
90380-10002-00 BUSH, SOLID, $.76
These nomenclatures are directly from the Yamaha parts catalog and must lose something in translation from Japanese to English. The $223 Washer is the Torque Limiter Gear (it comes with the gears and the axle shaft, DO NOT order the axle shaft separately which is possible). Install the two "Washers, Solid" with one on each side of the "Torque Limiter Gear". Tap the "Bush(ing), Solid" into the side case until it is flush with the inner surface. It is split and does not require the heating/cooling technique usually used to seat press fit bushings or bearings, just tap it in with a soft hammer or hammer and a block of wood until flush with the case inner surface. You don't need a new O-ring for the "Cover Assy 2", just use the old one from the original cover. You DO NOT need the L/H Side Case Assy
5TJ-15411-10-00, $92.49 as was specified in a previous post. The bushing you will purchase for under $1.00 eliminates that requirement. Some dealers have had a hard time finding the solid bushing in their index--- be insistant--- the part number above is correct and the part is available. If need be, shame them into looking harder by threatening to go to a dealer that knows what they are doing :.)
If you are slow and take time to inspect the entire job, it should take all of 10 minutes. I think that this update is an absolute must for peace of mind. My woodruff key has been loctited, but the update is the answer to eliminating the chance of shearing the woodruff key in the future.
If you have trouble getting parts, Motoworld of El Cajon (near San Diego, California) can't be beat!!!
Posted August 02, 2004 - 07:49 AM