Automotive Parts and Accessories: Dr.D (7000) Standard Exhaust for Yamaha YZ250F/WR250F - Dr.D

Automotive Parts and Accessories: Dr.D (7313) NS-4 Stainless Steel/Aluminum Slip-On Exhaust for Yamaha YZ450F - Dr.D

Automotive Parts and Accessories: FMF O-Ring & Pipe Spring Kit (SMALL) - FMF

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1974 Yz Exhaust Popular Q&A

Q: What is the best yz250f exhaust for a 2008?
A: For a 2008 what? Can you please specify? Read More »

Q: What is the best exhaust for a yz 450f?
A: AC Racing Full Exhaust System Yamaha YZ450F YZ Read More »

Q: Why does your yz490 spit oil from exhaust?
A: That is the burnt two stroke oil. it is pretty normal. Read More »

Q: What kind of oil goes in the little oil tank just below your seat...
A: plain 2 cycle oil. Read More »

Q: Which is the best quiet exhaust for a 2007 yz 450 ?
A: The FMF Q series will be the quietest aftermarket exhaust, but I'm not sure how it compares to stock. I think the Q is around 96db. Read More »