The 'heat exchangers' are a 1 model part no but keep researching as other years may still fit.
Levers from other years may also fit.
Part # = 46092-1108
Part Description = BRAKE LEVER GRIP
Model Count = 22
KX80-E2 84 80 KX80 MOTOCROSS
KX80-E3 85 80 KX80 MOTOCROSS
KX80-G1 86 80 KX80 MOTOCROSS
KX80-G2 87 80 KX80 MOTOCROSS
KX80-J2 87 80 KX80W MOTOCROSS
KX125-B1 82 125 KX125 MOTOCROSS
KX125-B2 83 125 KX125 MOTOCROSS
KX125-C1 84 125 KX125 MOTOCROSS
KX125-D1 85 125 KX125 MOTOCROSS
KX125-E1 86 125 KX125 MOTOCROSS
KDX200-C1 86 200 KDX200 OFF ROAD
KDX200-C2 87 200 KDX200 OFF ROAD
KDX200-C3 88 200 KDX200 OFF ROAD
KX250-B1 82 250 KX250 MOTOCROSS
KX250-C1 83 250 KX250 MOTOCROSS
KX250-C2 84 250 KX250 MOTOCROSS
KX250-D1 85 250 KX250 MOTOCROSS
KX250-D2 86 250 KX250 MOTOCROSS
KX500-A1 83 500 KX500 MOTOCROSS
KX500-A2 84 500 KX500 MOTOCROSS
KX500-B1 85 500 KX500 MOTOCROSS
KX500-B2 86 500 KX500 MOTOCROSS