Questions for an 01 blaster

What does a reed do?

What are the indications that a reed has gone bad?

How hard is it to replace them?

How many is there on a blaster?

I took off the rubber part that attaches the carb to the motor and theres thin metal flaps (are those the reeds?) and one them is cracked diagnally almost all the way acrossed. The quad will start and run every once in awhile for less than a second then die. I thought it was a compression problem, could it just be this reed or probably compression too?

 

anyone?

 

yea thats the reeds they control the air gas mix they are as simple as unscrew them and screw the new ones on theres a set on top and bottom of the valve.if its got any cracks you need to defintly replace them.

 

Reeds on a 2-stroke are just like a valve on a car engine...just way more simple. As the Piston (2-stroke) goes down to draw in fuel air, the reed petal will open to allow fuel/air to enter. During compression stage the design of the reed petal is (the petal is normally closed at this point) such that compression pushes back down on it to seal it.

Signs that they are bad... First off, Stock reed petals will last for several years. After market reed pedals (such as carbon-fiber) will wear more quickly. The benefit to after-market pedals is that they flex more than the stock aluminum ones and let more fuel/air mix in. Typical signs that your reed pedals (or reed seats) are bad is the obivious, diminshed performance or back fires through the carb. Or the visual cracks and chips. Perhaps someone else can add to this here by experence trouble-shooting bad reeds, but that is what I have found.

Sounds like your petals are bad!... the cracked thing! Re-place them and it sould take care of the problem.


They are easy to replace. they are in a reed cage that is the flat plate bolted to the engine.. after the carb.

I do not have your bike, but I expect that you have to sets of reeds, Top and bottom with a few screws holding them on. Do an internet search on reeds and you will see what they look like.

Good luck, you will be fine. This one is an easy one.

 

Thanks for the info all my questions are answered.

Just wondering what are some more signs that reeds have gone bad other than backfiring?

 

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I don't think you typed what you meant.[img]i/expressions/face-icon-small-smile.gif[/img] During the compression stroke is when air is getting pulled through the reed cage into the crankcase due to the vacuum created when the piston goes upward.

 

i got what he meant. The quad will start and run for a second every once in awhile when you try to kick it over. Could this be the reed, i took it out and it was cracked almost in 1/2.

 

bump.