12V Starter Motor Compatible With Yamaha Wr450f Enduro 449Cc Dohc 4-Valve Single-Cylinder 4-Stroke

OEM PART NUMBERS:
• Yamaha: 5TJ-81890-20-00 / 5TJ818902000 (Current)
• Yamaha: 5TJ-81890-10-00 / 5TJ818901000 (Superseded)
• Yamaha: 5TJ-81890-00-00 / 5TJ818900000 (Original)

SPECIFICATIONS:
• Type: PMDD (Permanent Magnet Direct Drive) / Unit Type: Mitsuba SM-14
• Voltage: 12V / Rotation: CW (Clockwise) / Teeth: 9-Spline
• Gear OD: 11.5mm / 0.453in
• Overall Length: 147mm / Registration OD: 29.8mm
• Drive Shaft Length: 23.6mm / Registration Height: 16.3mm (w/O-Ring)
• Mounting: (2) 6.6mm Unthreaded Ears + 5mm x 0.8 Threaded Tab B+
• Weight: 3 lbs / Condition: New

YAMAHA WR450F APPLICATIONS:
• WR450F 449cc DOHC 4-Valve Liquid-Cooled Single-Cylinder (2003-2006)
• Enduro / Off-Road / Dirt Bike / Trail Bike
• Supersession: 5TJ-81890-00-00 → -10-00 → -20-00 (Current)PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.WARNING - This product may expose you to chemicals such as Lead, Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
YAMAHA MOTORCYCLE / OFF-ROAD - WR450F:
• WR450F 449cc DOHC 4-Valve Liquid-Cooled Single-Cylinder 4-Stroke (2003)
• WR450F 449cc DOHC 4-Valve Liquid-Cooled Single-Cylinder 4-Stroke (2004)
• WR450F 449cc DOHC 4-Valve Liquid-Cooled Single-Cylinder 4-Stroke (2005)
• WR450F 449cc DOHC 4-Valve Liquid-Cooled Single-Cylinder 4-Stroke (2006)

YAMAHA OEM SUPERSESSION CHAIN:
• 5TJ-81890-00-00 (Original) → 5TJ-81890-10-00 → 5TJ-81890-20-00 (Current)

NOTE:
• This starter (5TJ-81890-20-00) fits 2003-2006 WR450F ONLY
• 2007-2015 WR450F uses a different starter (5TJ-81890-30-00 — NOT this part)
• Verify mounting configuration matches your bike before ordering