answersLogoWhite

0


Best Answer

This might be from unproper jetting of the carb. It is most likely running to lean,this is why the pipe has turned yellow.When and engine runs lean it tends to run hotter

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: My Yamaha at times it backfire from the carburetor and exhaust turning yellow?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How to set Yamaha pw80 carburetor?

how to set Yamaha pw80 carburetor


What makes a Yamaha big bear 400 backfire thur the carb and exhaust?

Loose intake boot or the boot may not be on straight. Happens everytime.


Yamaha kt100 top speed?

29 -35 mph with the right exhaust. That is possible with even a restrictive exhaust and small carburetor, as set up for child drivers. A larger carburetor and more open exhaust system will allow for speeds exceeding 70 mph, particularly when coupled with aerodynamic chassis types.


I cleaned my carburetor for my Yamaha bruin 350 now when you give the gas it stalls.It will idle. what did I do wrong?

If the carburetor is cleaned on the Yamaha Bruin 350 and it will idle but stall when given gas, it could be that the float is sticking. The carburetor may also need to be adjusted by turning the adjustment screw so that it is not getting too much gas when revved.


Could i have a Yamaha xs 850 carburetor assembly diagram?

can i have a Yamaha xs 850 carburetor assembly diagram


Why does your Yamaha raptor 350 backfire?

a engine backfires when there is excess fuel in the exhaust pipe causing it to explode with the heat... this normally occurs when not al of the fuel is burned in the engine and it is no a bad thing


How do you troubleshoot a Yamaha g2 golf cart carburetor?

my g2 runs full when you step on the pedal and is very touchy when going slow when looking for a ball and sometimes when its is warmed up it will backfire first before it starts running.


Floats on Yamaha 650 vstar carburetor?

Floats on Yamaha 660 how you fix


How do you drain the carburetor on a Yamaha Grizzly450?

Very carefully


How do you tune a Yamaha pw 50 carburetor?

dude


Can a Yamaha xt350 or xt600e exhaust fit the Yamaha xt400e engine?

Got a sex life but I need an exhaust.


What carburetor is on a 1999 Yamaha YZ 125?

The type of carburetor on the 1999 Yamaha YZ 125 is Mikuni how ever the sub model is either VM TM or TMX