Yamaha
WRF WR450F 2003 - 2006,

STARTER MOTOR ARROWHEAD SMU0349

PMDD; 12-Volt; CW; 9-Spline, Rotation CW
SIZE.
147mm OAL
11.3mm Gear OD
29.8mm Registration OD
23.6mm Drive Shaft Length
16.3mm Registration Height with O-ring
(2) 7mm Unthreaded Mounting Holes
5mm x 0.8 Threaded Tab B+

Part No. 19-1878.AR (oro2u.com)

Cross reference numbers ONLY.
RICKS 61-413, LESTER 18844, SMU0349, 5TJ-81890-00-00, 5TJ- 81890-10-00, 5TJ-81890-20-00, MX-01302, STY0349, YS-37N, 18844, 410-54140