What happens if float is to high?
What happens if float is to high?
Float level is too high If the float height is too high, this will cause the fuel to rise to a level above the operational spec. If the fuel height is a bit too high and the bike is running, the engine will display a rich running condition, which will make the throttle response slow and the engine note muffled.
Why is float height important?
It can never hurt to check your float height while you have your carbs off for a re-jet or just a cleanup. You want to set the float height so your bike runs on the properly metered amount of fuel it needs. If the floats are set too high, fuel will overflow via overflow ports that are drilled into the carb body.
Where do you measure float height?
The distance to measure is typically measured from the float chamber face – or gasket surface – to the highest point of the floats. If the floats are not at the proper height, most floats have a smakll tang that contacts the float needle which can be bent gently to adjust.
What kind of float does a Mikuni carb have?
Mikuni uses several types of floats on their aftermarket and OEM carbs. Most vintage, OEM Mikuni, round-slide carbs, have a pair of bronze-alloy floats soldered to a float arm.
How do I replace the seat on a Mikuni carb?
All Mikuni seats are made of a bronze alloy. On some Mikuni carbs, the seat is pressed in and not replaceable. This is the needle inserted in the seat. If the floats are attached to the arm, you’ll want to hold the carb on its side to measure the floats (pictured below).
What is the float height of a 900 monster carburetor?
This float height of 11mm was measured on a brand new set of carburettors for a 900 Monster. They had never been used. It is unknown whether this is from the top line or the centre line on the float bowl.
How high should the cutout be on a float?
That cutout is 16.2mm – so aim for 16mm – it kisses the peak of the float.” Before checking the float height it is very important to ensure that the float needle seat housing is completely seated.
