Main Jet, KEIHIN, (99101), #128
Genuine Keihin Main Jet, size:128
the KEIHIN 99101-xxx-xxxx round head main jet series will fit a large variety of bikes fitted with KEHIN carburettor (s)
Before ordering please refer to a parts manual if these main jets will fit your bike.
Keihin Main Jets 99101-GHB-1050
This is a round Keihin Main jet size 105
The 1050 at the end indicates the jet size of 105
a 1200 would be a jet size of 120 etc.
Note that Keihin Main jets are sized as follows: #100, #102, #105, #108, #110 etc.
Honda Main jet Number Compatible with Keihin 99101-393-xxxx. There may be other code numbers used but a 99101-xxx-xxxx main jet is always the same type of main jet. The middle three number/letter just make the jet model specific for the bike manufacturer.
