Description
This Mikuni RS34 carburetor Kit suits Honda 1984 and later DOHC CB750, CB900 and CB1100 with stock engines. They will breathe a whole new lease of life into your machine with an up to 25% increase in power, whilst making it perform and operate as it should with no hesitations or flat spots.
You will very quickly realize that the expense of a rebuild of your old worn OEM carbs can far exceed the cost of these new units and unfortunately as with many rebuilds now days you only have the option in many cases of gambling with very poor quality aftermarket parts. Considering this and if intending to ride and enjoy your motorcycle it makes good sense to retire your OEM carbs into the cupboard and step up to a set of RS’s.
Before rushing in and ordering please firstly check your carb spacing and carbie sizes for compatibility. These are not suited for downdraft engines.
This Mikuni kit suits 1984 and later 750 and larger DOHC models . Outlet Diameter at the engine side should be 40mm and 55mm diameter at the air-filter side. If using the OEM air-box note that these carbs are 4mm shorter front to back than the OEM units. There is an oil line mod required for carb bowl clearance on some models where the banjo’s have been stacked as shown in the picture gallery.
A= 72mm (spacing centre to centre between carb 1 & 2)
B= 88mm (carb 2 & 3)
C= 72mm (carb 3 & 4)
Pilot Jet: VM28/486-17.5, Needle: 9DZH1, Needle Jet: P-4 (568 Series), Main Jet: N100.604-120/130
Optional items: Your stock throttle cables will not match to these carbs, where we have available in the RS accessories page either our road bike throttle and cable assembly (KRS-001) or a Quick action 1/4 turn throttle and cable kit (PPQA40K)
You can also buy separately either POD filters or Velocity stacks which have no form of filter in them (15, 30,50 and 75mm long) for racing













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