photos are representational: Accuracy is ensured by Part Numbers.
BUILT FOR RELIABLE PERFORMANCE
Designed for 1990 Yamaha WR 250, this Boyesen component is built for dependable fitment, durability, and reliable performance. It is made for riders who expect quality parts that hold up to motocross and off-road use.
part number cross reference
| boyesen part number | serial number (start) | serial number (end) | UPC number | eu hts number | Southern number |
|---|---|---|---|---|---|
| RG31 | 804429502066 | ||||
| parts unlimited | parts europe | tucker rocky | wpc | apico int | |
| bihr | dist 1 | dist 2 | dist 3 | dist 4 | |
Applications
| Machine type | make | model | year range | cc | FUEL SYSTEM | CYLINDERS |
|---|---|---|---|---|---|---|
| MX/OFFROAD/MINI | kawasaki | KX 125 | 2003-2003 | 125 | ||
| MX/OFFROAD/MINI | kawasaki | KX 125 | 2004-2011 | 125 | ||
| MX/OFFROAD/MINI | Yamaha | WR 250 | 1989-1991 | 250 | ||
| MX/OFFROAD/MINI | Yamaha | WR 250 | 1992-1997 | 250 | ||
| MX/OFFROAD/MINI | Yamaha | YZ 125 | 1988-1988 | 125 | ||
| MX/OFFROAD/MINI | Yamaha | YZ 125 | 1989-1992 | 125 | ||
| MX/OFFROAD/MINI | Yamaha | YZ 125 | 1989-1989 | 125 | ||
| MX/OFFROAD/MINI | Yamaha | YZ 250 | 1989-1994 | 250 | ||
| MX/OFFROAD/MINI | Yamaha | YZ 250 | 1995-1995 | 250 | ||
| MX/OFFROAD/MINI | Yamaha | YZ 250 | 1996-1996 | 250 | ||
| MX/OFFROAD/MINI | Yamaha | YZ 250 | 1989-1989 | 250 |
extended fitment
Yamaha VMax 600ER 02-03, Yamaha Mountain SRX 700 98, Kawasaki KX 125 03, Kawasaki KX 125 04-11, Yamaha YZ 125 88, Yamaha YZ 125 89-92, Yamaha YZ 250 89-94, Yamaha YZ 250 95, Yamaha YZ 250 96, Yamaha WR 250 89-91, Yamaha SX 500R 00-01, Yamaha VMax 600 97-99, Yamaha Venture 600 97-98, Yamaha VMax 600 99-01, Yamaha Mountain Max 600 00-02, Yamaha SX 600R 00-03, Yamaha SRX 600 98-99, Yamaha SX Venom 04-06, Yamaha Venture 600 99-03, Yamaha Venture 600 04-06, Yamaha Mountain Max 700 97-03, Yamaha SX 700R 00-01, Yamaha Venture 700 98-02, Yamaha VMax 700 97-00, Yamaha VMax 700ER 02, Yamaha SRX 700 98-02, Yamaha SX Viper 02-06, Yamaha Venture 700 04, Yamaha WR 250 92-97, Yamaha Mountain Max 600 97-99, Yamaha YZ 125 89, Yamaha YZ 250 89
