you cant must be replaced
you need to clean ur carb use fresh gas and clean ur tank and shut off valve
The only thing I can think of is a wool like packing material that may have been used in the muffler. Never seen this myself. I suggest you seek out a good muffler shop.
A YZ250 is much faster than a CRF250r. The YZ250 is a 2 stroke where as the CRF250r is a four stroke.
There is no "white stuff" in a silencer/muffler, unless you mean fiberglass packing. It has no use when removed.
87 Yamaha YZ250
Clean Sweep - 2003 Junk Sent Packing 1-1 was released on: USA: 13 September 2003
Selling a 1997 yz250 really depends on the condition it is in and the person selling it. Most 1997 yz250 usually sell for around a thousand dollars and lower.
Yes , it can be , since you know whether you have clean hands and utensils or not .
the loudest would be the flowmaster outlaw series. its just a straight through muffler with no ceramic glass packing. i have one on my f-150 it sounds way good
Yamaha YZ250 hands down. Both bikes are designed for a different purpose. The YZ250 is a 2 stroke motocross bike. The WR250F is a four stroke enduro bike.
Yz250
I have a 1988 Yamaha YZ250 and my manual states .028 is the setting that you should use.