Honda C90 – carb main circuit
This Kehin carburettor has two independent systems for metering fuel and air, the main circuit and the idle circuit. As the names suggests the idle …
Honda C90 – carb fuel and air mixture
We already saw that the basic function of the carburettor is to mix fuel and air in the right proportions before it is ignited in …
Honda C90 – carb float height
The level in the float chamber effects the ratio of fuel and air passed to the engine: when the level is too high the additional …
Honda C90 – carb drain, overflow & breather tube
There are a few other bits involved with the carburettor fuel supply: the overflow, drain screw and breather The purpose of the drain screw is …
Honda C90 – Carburettor fuel supply
The engine needs a constant supply of fuel – the parts involved are marked on this picture of the dismantled carburettor: fuel tap float bowl …
Honda C90 – carburettor – how it works
When I first was first researching what I needed to do to get my bike to run I quickly realised I would need to clean …
Honda C90 – wheels complete
There was not much to do to finish the wheels: on the front wheel I replaced the brake arms, springs and spacer (all of which …
Honda C90 – wheel truing
Wheel truing does seem to be part of the black arts of wheel building and no doubt fixing wonky and damaged of wheel is highly …
Honda C90 – lacing the spokes
Lacing is just one part of the wheel building black arts – this is my layman’s summary of what I found out from reading and having …
Honda C90 – spokes
There are a few option when buying new spokes:– Honda still sell them, but they are expensive.– You can get someone to make you replacements– …