BASELINE JETTING REPOSITORY

We would like to know what set up worked for you. If this chart helped, please share results to help others. Using the jets listed may or may not work in your particular application. If you would like to be credited for your submittal let us know that and we will post your name next to your listing. To submit your information please email us.

Apollo
BMW
Bombardier
Ducati
Harley Davidson
Honda
Husqvarna
John Deere
Kawasaki
KTM
Norton
Piaggio
Suzuki
TM
Triumph
Vespa
Yamaha

Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Apollo 250cc
AGB-36c
2017 PZ30 110 40        
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
                   
BMW R60/2 1964 Mikuni VM26 TM28            
BMW R100   Mikuni VM34 230 40   6DH4    
BMW R100   Mikuni TM38 230 22.5   6DP4    
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Bombardier DS650   stock 190 48     3 slip on pipe and K&N
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Ducati 750SS   Mikuni TM41 220 25   6DP4    
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Harley 1200 XLC 2004 stock 180 48       Stock exhaust but free flowing baffles, slide drilled 7/64
Harley 1340 FLT 1985 stock 190 50       Bored 10 over, ev 27 cam, S&S head, killer cv intake
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Honda CT70/88   stock 72 35       Big bore 88, stock intake and exhaust
Honda CT90 1968 stock 74 45   raise 2 1.5 Stock max speed 40, rejetted max speed 50
Honda TRX90EX   stock 88/90 42       bone stock, but starts and runs correctly now
Honda XR100   Mikuni TM24-8001 155 15   5DP39   Modified exhaust, takagaua head, lightened flywheel
Honda CR125 1983 PJ34 150 62   DGN   6.0 slide
Honda CR125 2005 Keihin PWK 36       CEK    
Honda CR125R 2000 Mikuni TMX 340 40       Pro Circuit pipe silencer combo
Honda ATC250R   Keihin PJ34            
Honda CR250 2000 Keihin PWK 36 AS       CGL    
Honda CR250 2001 stock 360 20   needles 2 FMF gnarly pipe, FMF shorty silencer, boysen dual stage reeds, UNI air filter
Honda CR250 2004 Keihin PWK36 QV            
Honda CR250R 1998 PWK 38 A.S. 016-167 175 55   CGJ   7.0 slide
Honda CR250R 1999 Stock PWK 168 40   2nd from top 2

Pro Circuit Pipe and Silencer.  Altitude 3200’

Honda CR250R 2006 Stock 400 35     1.5 fatty/shorty/shaved
Honda CR250R 2006 keihin AS2 178 48   N3CW 2 fatty/shorty/shaved
Honda XL250   Mikuni VM32 170 25   6F4    
Honda XR250 1999 stock 135 48       K&N filter, snorkel removed, baffle removed
Honda 300EX (bored 330) 1997 stock 145 40   3rd from top 2 330 big bore, curtis sparks exhaust, no air box, twin air filter
Honda XR400 2000 stock 165 60       Big Gun header, mid-pipe, and Evo R muffler 875 feet above sea level
Honda XR400   Mikuni TM36 130 15   9EBY1-50    
Honda XR440   FCR 39 (not MX) 162 45   EMN 4th position 1.5
XRsOnly header and muffler UNI air filter with open air box
Honda 400EX 2001   160 42       DG slip on, K&N filter lid
Honda 400EX 2001   158 58       Pro circuit
Honda 400EX 2008 stock 160 40   stock   K&N, air box lid removed
Honda XR440   FCR 39 (not MX) carb 170 48   EMP middle clip 1.5

XRsOnly header and muffler, UNI air filter with open air box

Honda TRX450ER 2006 stock 170 45 55 stock 2 Uni filter, HMF
Honda CR480 1983 TM38-86 400 50   6DP4   4.0 slide, no air jet
Honda CB550 1974 stock 110 40   clip lowest slot 1.25 Mac 4into1 exhaust, UNI pod filters, Dynatek ignition
Honda CB550 1974 stock 115 42   clip highest slot 1.5 pod filters and a delkevik 4-1 with no muffler
Honda Shadow
VT600
1992 stock 125 45       drag pipes
Honda XR600   Mikuni TM40 135 -150 22.5-30   9DJY04    
Honda XR650L   Daves mod            
Honda XR650L 2008 stock 150 40   9DJY01 2 Pod filter, desmog, DG O Exhaust
10.5:1 compression piston, 102 bore
Honda XR650L   Mikuni HSR42 155/160 22.5/27.5   8DDY01-96    
Honda XR650R   Mikuni TM40 150 25   9DJY4-96    
Honda XR650R   Mikuni HSR45 150 25   8CFY2-96    
Honda Complete
bolt on
kits
XR650L FCR
carb kit
avail
016-749(no choke and 016-749a(has choke)           Email us regarding year make and model and kit number for pricing
Honda XR650 2013 TM40-6 140 20     2 Exhaust is factory no spark arrester. Changed to 55 pump nozzle
Honda CB750 1978 stock 118 38        
Honda CB750 1978 Mikuni VM29 115 17.5   5DL31-3    
Honda VT750 Shadow 2001 stock F-148
R-152
42     3
Thunder Air kit with K&N pointed forward
-Thanks Dave S.
Honda CB900   Mikuni VM33 125 30   6DJ30    
Honda CB900F Supersport 1982 stock VB43 CV 68 pri. main jet, 105 sec. main     stock 2.5 stock exhaust, stock airbox and a K&N filter
Honda CBR100F 1988 stock 125 40   stock plus one washer 1.75 airbox stock with a K&N filter. exhaust stock header pipes with Dominator unbaffled slipons.
Honda VT1100 1999 stock 182 48   3 needle shims 2.5 K&N with stock airbox, holesaw exhaust mod.
Honda VTX1300 2004 stock 200 58   3 needle shims 1.75 Hypercharger and VH Big Shot pipes
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Husqvarna 510   Mikuni VM38 270 27.5   6F8    
Husqvarna 570   Mikuni TM40 150 27.5   9DJY4-96    
Husqvarna TE610   Mikuni TM40 165 17.5   9DJY01    
Husqvarna TE610   Mikuni TM40 140 25   9DJY01    
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
John Deere FE290 Gator 2002 stock 92 60       Remove plastic restrictor plug in airbox
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Kawasaki KLX110   PE28            
Kawasaki KLX110   VM24-512            
Kawasaki KLX110   VM26-606            
Kawasaki KLX140 2009 link for write-up           link for write-up
Kawasaki KLX140   VM24-512            
Kawasaki KLX140G 2017 VM24-512 150 20   lowest groove   OEM throttle cable worked with the Keihin retainer on the Mikuni 45deg cable adapter. Patio umbrella tube used for snorkel extension.
Kawasaki KDX200 1988-1998 stock 155 42   3rd from top 1.5 uni filter
Kawasaki KDX200 1991 PWK35 air striker            
Kawasaki KDX200 2002 PWK35 air striker            
Kawasaki KDX200 2005 stock 152 45   CEL and DEL 2.75 uni filter, boyesen 607 reeds, FMF gold series gnarly woods with stock silencer
Kawasaki KDX220 2003 stock 158 42   2nd from top   FMF torque reeds, twin air filter, FMF rev pipe and turbine II core silencer
Kawasaki KDX220 2003 stock 150 40   CEK 2.5 no airbox lid, Dual stage reeds, FMF rev profile pipe
Kawasaki KX250 1994 PWK 38 016-167            
Kawasaki KX250 2002   150 48        
Kawasaki Bayou 300   VM 34-168 200-220 35   6dh3   Needle jet 159-P6, requires cable and airbox changes.
Kawasaki DRZ400E 2001 stock 160 45   stock   K&N, exhaust baffle drilled out.
Kawasaki KX500 1990 stock 175 62   AJK second from top   Bored 80 over, FMF Gold Series Fatty and Power Core Silencer.
Kawasaki KZ650 1978 Mikuni VM29 120 25   5DL31-3    
Kawasaki KZ900 1980 Mikuni VM29 120 25   5DL31-3    
Kawasaki KZ1000   Mikuni RS38 135 17.5   9CHY3    
Kawasaki KZ1000   Mikuni RS34 115 17.5   6DJ30    
Kawasaki KZ750   Mikuni RS34 115 17.5   9DZH1    
Kawasaki NINJA 1000   Mikuni RS36 130 17.5   9DZH1    
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
KTM 200EXC 2013 Keihin PWK36 016-163            
KTM 525 2006 Keihin FCR39 162 42   EMP    
KTM 620   Mikuni HSR42 145 25   9DJY4-96    
KTM 620   Mikuni TM40 145 25   9DJY4-96    
KTM 620   Mikuni HSR42 165 25   8DDY1-96    
KTM 640 LC4   Mikuni TM40 165 22.5   9DJY4    
KTM 620/640 94-00 Keihin FCR41            
KTM 620/640 00-present Keihin FCR41            
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Norton 750 commando   Mikuni VM32 220 25   6DH3    
Norton 750 commando   Mikuni TM38 290 45   6FJ40    
Norton 75 mark III   Mikuni VM36 270 25   6DH3    
Norton 75 mark III   Mikuni VM36 280 27.5   6DH3    
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Piaggio 50cc 4 stroke 2014   82         Malossi Big Bore kit and Malossi cam
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Suzuki JR50 1999   67.5 17.5       Raise clip 1 slot
Suzuki RM125 1995 PWK 38/71R
016-153
           
Suzuki RM125 1999 PWK36/S63 016-163            
Suzuki LT250R 1986 PWK 38 170 45 1 DGK    
Suzuki RM250 1989 TMX38 370 50 3.5 6EJ12-60    
Suzuki RM250 1989 PWK38
016-167
           
Suzuki RM250 1998 PWK38
016-167
           
Suzuki DR400   Mikuni VM33 135 15        
Suzuki DR400   Mikuni TM34 240 40   6FJ41    
Suzuki LTZ400 2005 stock 152.5     stock 2 HMF ballance pro series pipe, foam air filter
Suzuki LTZ400   stock 142 22.5     3 slip on pipe
Suzuki LTZ400   stock 150 25     3 slip on pipe, no air box lid
Suzuki LTZ400 2008 stock 160 25   Needle shim   FMF slip on, K&N with outerwears
Suzuki GS500 1995 stock 147.5 40   Needle shim qty 2   K&N pods
Suzuki GS500 1997 stock 127.5 40   Needle shim qty 2   K&N drop in
Suzuki GS500 2006 stock 160 65 / 20       Vance & Hines full exhaust (no cross-over), K&N lunch box air filter, Innovate motorsport dual wideband sensors, Gearing: 16/39
Suzuki LT500R 1990 PWK39 or TM41            
Suzuki GS550 1978 stock 92.5 17.5       70 mid jet and clip on lowest position
Suzuki GSX600   Mikuni RS34 115 17.5   9DZH1    
Suzuki GSX750   Mikuni RS36 120 17.5   9DZH1    
Suzuki VZ800 Marauder 2001 Stock

127.5 F
137.5 R

42.5 F 47.5 R   5DP7 3-1/4 Airbox snorkel delete, air filter restrictors removed, front needle on clip 3, rear needle clip 4
Suzuki GS850G   Link for write up           Link for write up
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
TM125   1998 stock PWM38 175 52   N1EC 2 N1EC middle position
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
                   
Triumph 650   Mikuni VM32 210 35   6F5    
Triumph 650 1972 Mikuni VM32 180 25   6DH2 1-1/2 2.5 slide 159-P-4 needle jet, bolt-on manifold stubs, morgo 9.5:1 750 kit, MAP econo porting, 3/32-inch o/s intake valves
Triumph Bonneville 650   Mikuni VM32 240 22.5        
Triumph 750   Mikuni VM34 210 37.5   6F5    
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Vespa S50 4 stroke 2014   82         Malossi Big Bore kit and Malossi cam
                   
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications
Yamaha PW80 1994   120 12.5       Uni pod air filter, Boyesen reeds
Yamaha YZ80   Mikuni VM26-8074 or
PWK28
           
Yamaha TTR125L 2002 VM24-512 150 22.5        
Yamaha TTR125L 2017 stock   20       spark arrester removed
Yamaha YZ125 K 1983 Mikuni VM34-275 280 60   6F21    
Yamaha YZ125 89-97 (stock TMX38) use PWK 38 air striker            
Yamaha DT175 1981 Stock            
Yamaha YFS 200 Blaster   stock 240 35     1-3/4 FMF
Yamaha YFS 200 Blaster   TM32 250 35   6F9   4.0 slide
Yamaha YFS 200 Blaster   VM26-8074 001-020            
Yamaha YFS 200 Blaster   VM26-8074 001-020
          Need cable 021-279
Yamaha TTR 230   stock 130 40       Eliminate lean condition as jetted from factory
Yamaha TTR225   VM34 001-030 220 42       159 P-4 needle jet, 6DH3 needle, 3.0 slide, and 2.0 air jet
Yamaha WR250 2004 stock   45 55     FMF, disconnect gray wire in 6 wire harness under gas tank (this adv timing and raise rev limiter)
Yamaha YZ250 1989 PWK38 air striker 016-153 175 48   CEG   7.0 slide
Yamaha YZ250 01-06 PWK38 quad vent 016-154           It takes a pretty sensitive/ higher skilled rider to feel the difference of not having the TPS and Power Jet.
Yamaha YZ250 2005 stock 172 45   second from top 1-3/4 Pro-circuit pipe and muffler, uni air filter
Yamaha YZ250F 2005 FCR-MX37
016-917
          021-614 air box adapter
021-012 x2 screws
021-439 o-ring
Yamaha part number 5JG-26302-50-00 throttle cable
Yamaha 350 R5 1971 PWK28            
Yamaha 350 Banshee 1999 stock 310 30       FMF fatty full system, K&N filter
Yamaha 350 Banshee   stock 300 32.5     1-1/2 Toomy T-5
Yamaha 350 Warrior 1999 stock 150 45     2.5 K&N filter, no air box lid
Yamaha 350 Warrior   stock 147.5 50     2  
Yamaha 350 Warrior   stock 155 45     2 ¾

Air box lid removed
K&N  full flow
Fmf  power bomb and power core 4

Yamaha YFZ450   stock 162 45  

4th from top - stock OR
EMN EMP EMR EPN

2-3/4 FMF, air box lid removed
Yamaha YFZ450 2005 stock 165 45   4th from top FHN 2-3/4 Stock exhaust, air box lid removed
Yamaha YFZ450 2006 stock 170 45   4th from top FHN 1-3/4 FMF slip-on, air box lid removed
Yamaha XS650   Mikuni VM36 190 22.5   6DP1    
Yamaha XS650   Mikuni VM34 200 25   6F9    
Yamaha VVS650 V star   stock 127.5 30   2 shims 2.5 pod filters, cobra exhaust, AIS delete
Yamaha XS880   Mikuni VM38 290 30   6DP1    
Yamaha 660 Raptor   stock 150 L
145 R
      3  
Yamaha 660 Raptor 2003 stock 152.5 L
157.5 R
      2 HMF full system, Twin air filter
Yamaha 660 Raptor 2004 stock DJ170 and DJ175 27.5 both   3rd clip 2/2  
Yamaha XV 750 Virago 1983 stock 126         Baffles removed from exhaust, stock air box.
Yamaha XV 750 Virago 1983 stock 130         Baffles removed from exhaust, open air box.
Yamaha XV 920 Virago 1982 stock F 134
R 132
43 both    

3

K&N, free flow mufflers
Yamaha XVS1100 V Star 99-09 stock 122.5 F 122.5 R 17.5   JRU-8032 shim use 1   Air filter free flowing and drag pipes
Yamaha VMX12 2002 stock BDS35 152.5 40     3/4 Morley Hybrid Marks 4-1-2, 17mm wet float, PAJ1=MK90, PAJ2=MK170
Make Model Year Carb Main jet Slow / Pilot jet Leak jet Needle Mixture screw (turns out) Stock or list modifications