Main Jet - Genuine Keihin - 99101-357 Type - #85 to #185
- Color/Finish: Natural
- Material: Brass
- Fits: Keihin Carbs
- CR Specials
- FCR / FCR-MX
- PWK (Including Air Striker)
- PJ
- PWM38
- PE
- Dimensions:
- Overall Length: 16.5mm
- Head diameter: 6mm
- OEM Ref: 99101-357
- Sizes Available: #85 to #185 - Please Select Desired Size Below
- Notes:
- Genuine Keihin Jets
- Please Check That Your Motorcycle Utilizes One of the Listed Carbs BEFORE Placing Your Order
- Sold Individually. Please Select Desired Quantities Below
In stock
Part
99101-357-G
Pick up the main jets that you need for your Keihin carbs here! Genuine Keihin 99101-357.
Sizes Available:
- #85
- #88
- #90
- #92
- #95
- #98
- #100
- #102
- #105
- #108
- #110
- #112
- #115
- #118
- #120
- #122
- #125
- #128
- #130
- #135
- #138
- #140
- #142
- #145
- #148
- #150
- #152
- #155
- #158
- #160
- #165
- #170
- #175
- #180
- #185
Fits the Following Honda Models:
- 1975-1977 CB400F Super Sport (CR26)
- 1971-1973 CB500 (CR29)
- 1974-1978 CB550 (CR29)
- 1977-1978 CB750F/K (SOHC) (CR29 / CR31)
- 1969-1976 CB750 (SOHC) (CR29)
- 1979-1982 CB750F Super Sport (DOHC) (CR29 / CR31 / CR33 / CR35)
- 1979-1982 CB750K (DOHC) (CR29 / CR31 / CR33 / CR35)
- 1980-1982 CB900F Super Sport (CR31 / CR33 / CR35)
- 1983 CB1100F Super Sport (CR31 / CR33 / CR35)
- 1999-2000 CR250R (PWK 38)
- 2002-2008 CRF450R (FCR-MX)
- 2004-2009 CRF250R (FCR-MX)
- 2004-2017 CRF250X (FCR-MX 37)
- 2005-2017 CRF450X (FCR-MX)
- 1996-2004 XR400R (Keihin hex-main)
- 1984 XR250R (Keihin hex-main)
- 2004-2009 TRX450R/ER (Keihin FCR)
Notes:
- Honda off-road models above came with Keihin FCR or PWK/PJ that use 99101-357 hex mains.
- CRF250R/250X/450R/450X model-years are documented FCR applications
- CR250R 1999-2000 documented PWK / XR400R/XR250R are common hex-main fits
- Does Not Fit (Stock):
- 2001 CR250R (Mikuni TMX from factory)
- Late-Model CRF450R (2009+) and CRF250R (2010+) are EFI
Fits the Following Kawasaki Models:
- 1995-2006 KDX200 (PWK 35)
- 1997-2005 KDX220R (PWK 33)
- 1994 KX250 (PWK 38)
- 2003-2004 KX250 (PWK 38S)
- 2004-2010 KX250F (FCR-MX)
- 2006-2009 KX450F (FCR-MX)
- 1976-1980 KZ650 B/C/D/E/F (CR29 / CR31)
- 1980-1982 KZ750 E/H/N (CR31 / CR33 / CR35)
- 1973-1975 Z1 / Z1A 900 (CR29 / CR31 / CR33)
- 1976 KZ900A / 1976 KZ900 LTD (CR29 / CR31 / CR33)
- 1976 KZ1000 (CR29 / CR31 / CR33)
- 1981-1983 KZ1000 J/K/M/R (CR31 / CR33 / CR35)
- 1981-1983 KZ1100 GPz (CR31 / CR33 / CR35)
- 1985-1987 ZX600A Ninja 600R (CR31 / CR33)
- 1987 ZX600B Ninja 600RX (CR31 / CR33)
- 1988-1997 ZX600C Ninja 600R (CR31 / CR33)
- 1984 ZX900A Ninja 900R (CR31 / CR33)
- 1986-1987 ZX1000A Ninja 1000R (CR31 / CR33)
- 1988 ZX1000R Replica (CR31 / CR33)
- 1983-1984 ZX1100 GPz (CR31 / CR33 / CR35)
Notes:
- KX250 (2002-2004 era) shows PWK 38S in the factory manual
- Does Not Fit (Stock):
- 2009+ KX450F and 2011+ KX250F are EFI
- 1979-1980 KZ1000E / ST Shaft-Drive
- KZ1000P Police
- Kawasaki Road Models with Mikuni CV (e.g. many KZ/GPz) use Mikuni jets - NOT 99101-357
Fits the Following Suzuki Models:
- GSX600F Katana (CR33)
- 1977-1979 GS750 2-Valve (CR29 / CR33)
- 1980-1982 GS750E 2-Valve (CR29)
- 1979-1981 GS750L 2-Valve (CR29)
- 1983 GS750ED/ESD 4-Valve (CR31)
- 1982-1983 GS750T 4-Valve (CR29 / CR31)
- 1983 GS750SD Katana 4-Valve (CR31 / CR33 / CR35)
- 1980-1983 GS850 (CR31 / CR33)
- GS1000 (CR31 / CR33 / CR35)
- GS1100 (CR31 / CR33 / CR35)
- GSX1100 (CR33)
- 1989-1992 GSX-R1100 (Air/Oil-Cooled) (CR33)
- 1983-1986 GS1150 (CR33)
- 2009 RM85 / RM85L (Keihin PE28 with Hex Main)
- 2004-2009 RM-Z250 (Keihin FCR-MX)
- 2005-2007 RM-Z450 (Keihin FCR-MX)
- 2003-2008 RM250 (Keihin PWK 38 Air Striker)
Notes:
- RM-Z250 (First-Gen shared with KX250F) used FCR-MX.
- Does Not Fit (Stock):
- 2001-2002 RM250 (Mikuni TMX years)
- DR-Z400 (Mikuni BSR CV)
Fits the Following Yamaha Models:
- 1984-1985 FJ600 (CR29 / CR31 RACE MOTOR ONLY)
- 1984-1985 FJ1100 (CR33 / CR35)
- 1986-1992 FJ1200 (CR33 / CR35)
- 1986-1988 FZ600 (CR29 / CR31 RACE MOTOR ONLY)
- 2001-2013 WR250F (FCR-MX)
- 2003-2012 WR450F (FCR-MX)
- XJ650 (CR31 RACE MOTOR ONLY)
- 1982 XJ1100 Maxim (CR33)
- XS1100 (CR31 / CR35)
- 2001-2013 YZ250F (FCR-MX)
- 2003-2009 YZ450F (FCR-MX)
- 2004-2009 YFZ450 (Carbureted Models - widely sold with 99101-357 jets by OEM-equivalent vendors)
Notes:
- These models came stock with Keihin FCR/FCR-MX carbs in the listed years.
- Does Not Fit (Stock):
- YZ125/YZ250 two-strokes (typically Mikuni TMX)
- Many street models with Mikuni BSR / CV Carbs / EFI. (Family-level exclusion - typical Yamaha spec.)
Fits the Following KTM Two-Stroke Models:
- 2000 250 SX / MXC / EXC (Keihin PWK 38 AG - Factory jet charts in the 170-188 range)
- 2000 300 MXC / EXC (Keihin PWK 38 AG - Factory jet charts in the 168-188 range)
Carburetors These Jets Fit (By Family):
- Keihin CR Special Smoothbores (all bores)
- Keihin FCR / FCR-MX (all bores)
- Keihin PWK / PWK Air Striker (28-41 mm)
- Keihin PJ (34-38 mm)
- Keihin PWM38
- Keihin PE (20-38 mm)
Common Does Not Fit (Stock) Cases:
- Honda street UJMs (CB750K/F / CBX / GL1100 / many VB/VD/VE-carb models) - typically use Keihin 99101-393 round mains - not 99101-357 hex.
- Kawasaki KZ1000 Shaft (KZ1000E/KZ1000ST) and many KZ/GPz road models - Mikuni BS34 CV carbs (Mikuni jets) not Keihin hex mains.
- Yamaha XS650 (all years) - Mikuni BS38/BS34 CV carbs - Not Keihin.
- Honda CR250R (2001 only) - Mikuni TMX stock that year / 99101-357 applies when converting to Keihin PWK/FCR - not stock.
Is Japanese Universal Part: No
Is European Universal Part: No
Is American Universal Part: No
OEM Number(s): N/A
Motorcycle Fitment: N/A

