Upgrade the intake performance of your compatible KTM two-stroke motorcycle with Boyesen 617 Dual-Stage Motorcycle Reeds. Designed for improved throttle response, airflow, and overall engine performance, these reed petals provide a practical performance enhancement for riders seeking stronger low-throttle operation and more efficient power delivery. The dual-stage design helps the reeds open and close faster, supporting improved engine response throughout the operating range.
Feature: Dual-stage reed design helps improve airflow and throttle response
Feature: Faster opening and closing supports more responsive engine operation
Feature: Increased low-pressure performance improves low-throttle response
Feature: Greater velocity and flow area helps enhance intake efficiency
Feature: Durable construction provides extended service life
Feature: Designed to prevent engine damage if a reed breaks
These Boyesen motorcycle reeds are manufactured for fitment on select KTM 250 models, including 1992 through 1998 KTM 250 SX motorcycles and 1983 through 1985 KTM 250 MX motorcycles. Verify the year, model, and existing intake configuration before installation to ensure proper compatibility. The manufacturer part number is 617, and the vendor part number is 59-7617.
Features:
- Dual-stage reed design helps improve airflow and throttle response
- Faster opening and closing supports more responsive engine operation
- Increased low-pressure performance improves low-throttle response
- Greater velocity and flow area helps enhance intake efficiency
- Durable construction provides extended service life
- Designed to prevent engine damage if a reed breaks
- Fits select 1983–1985 KTM 250 MX and 1992–1998 KTM 250 SX models
- Brand: Boyesen
- Manufacturer part number: 617
- Vendor part number: 59-7617
Fitment:
1983 KTM 250 Mx
1984 KTM 250 Mx
1984 KTM 250 MXC
1985 KTM 250 Mx
1985 KTM 250 MXC
1986 KTM 250 Mx
1986 KTM 250 MXC
1987 KTM 250 Mx
1987 KTM 250 MXC
1988 KTM 250 Mx
1988 KTM 250 MXC
1989 KTM 250 Mx
1990 KTM 250 EXC
1990 KTM 250 Mx
1990 KTM 300 EXC
1990 KTM 300 MX
1990 KTM 300 MXC
1991 KTM 250 EXC
1991 KTM 250 Mx
1991 KTM 300 EXC
1991 KTM 300 MX
1991 KTM 300 MXC
1992 KTM 250 EXC
1992 KTM 250 SX
1992 KTM 300 EXC
1992 KTM 300 MXC
1992 KTM 300 SX
1993 KTM 250 EXC
1993 KTM 250 SX
1993 KTM 300 EXC
1993 KTM 300 MXC
1993 KTM 300 SX
1994 KTM 250 EXC
1994 KTM 250 SX
1994 KTM 300 EXC
1994 KTM 300 MXC
1994 KTM 300 SX
1995 KTM 250 EXC
1995 KTM 250 SX
1995 KTM 300 EXC
1995 KTM 300 MXC
1995 KTM 300 SX
1996 KTM 250 EXC
1996 KTM 250 MXC
1996 KTM 250 SX
1996 KTM 300 EXC
1996 KTM 300 MXC
1996 KTM 300 SX
1997 KTM 250 EXC
1997 KTM 250 MXC
1997 KTM 250 SX
1997 KTM 300 EXC
1997 KTM 300 MXC
1998 KTM 250 EXC
1998 KTM 250 MXC
1998 KTM 250 SX
1998 KTM 300 EXC
1998 KTM 300 MXC
1998 KTM 380 Exc
1998 KTM 380 Mxc
1998 KTM 380 Sx