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Application Chart Diagrams Application Notes 2001 Yamaha WR 250F OEM: 49, Range: 49- 53 2002 Yamaha WR 250F OEM: 49, Range: 49- 53 2003 Yamaha WR 250F OEM: 49, Range: 49- 53 2004 Yamaha WR 250F OEM: 49, Range: 49- 53 1999 Yamaha YZ 125 OEM: 49, Range: 49- 53 2000 Yamaha YZ 125 OEM: 49, Range: 49- 53 2001 Yamaha YZ 125 OEM: 49, Range: 49- 53 2002 Yamaha YZ 125 OEM: 49, Range: 49- 53 2003 Yamaha YZ 125 OEM: 49, Range: 49- 53 2004 Yamaha YZ 125 OEM: 49, Range: 49- 53 2005 Yamaha YZ 250 OEM: 50, Range: 49- 53 1999 Yamaha YZ 250 (L1) Competition OEM: 50, Range: 49- 53 2000 Yamaha YZ 250 (M1) Competition OEM: 50, Range: 49- 53 2001 Yamaha YZ 250 (N1) Competition OEM: 50, Range: 49- 53 2002 Yamaha YZ 250 (P) OEM: 50, Range: 49- 53 2003 Yamaha YZ 250 (R) OEM: 50, Range: 49- 53 2004 Yamaha YZ 250 (S1) OEM: 50, Range: 49- 53 2005 Yamaha YZ 250F OEM: 49, Range: 49- 53 2001 Yamaha YZ 250F (FN) Competition OEM: 49, Range: 49- 53 2002 Yamaha YZ 250F (FP) Competition OEM: 49, Range: 49- 53 2003 Yamaha YZ 250F (FR) OEM: 49, Range: 49- 53 2004 Yamaha YZ 250F (FS) OEM: 49, Range: 49- 53 Options Price  Size(required): 49 teeth included 50 teeth included 51 teeth Add $1.95 52 teeth Add $1.95 53 teeth Add $1.95  Color(required): Black Blue Silver Send me one! How many:   This item ships FREE to the contiguous 48 United States. WARNING: Laws concerning this product vary from state/province to state/province. Your state/province may prohibit its use on public roads or restrict its use to novelty, show use, off-road areas, or race facility areas only. In some states/provinces off-road uses are also prohibited. The manufacturer and retailer assume no responsibility for any use or application of this product in violation of any applicable law. Before installing this product, please check your state/provincial and local/municipal laws and regulations. The Q&A on this Product QUESTION:  HI,I HAVE A YZ 250 F 02 ,I HAVE A 13 ON FRONT & 48 ON REAR IF I PUT 14 &47 ON REAR WILL IT GIVE ME MUCH MORE TOPEND ,IS THERE MUCH DIFFERANCE ? ANSWER:  yes you will notice it. QUESTION:  i see on the chart 49-50 for the 2000 yz250 what if is the 14-48 good? thanks joe ANSWER:  14-48 will give you more top end speed QUESTION:  hi i would like to us what combination of sprocket fits to my yz125 for motocross racing? ANSWER:  13-50 QUESTION:  With a stock 14 tooth sproket in front and a 50 in rear would it be good to do a 13 in front and a 52 in rear for a 01 yz 250 for more low end torq and will a stock size chain still fit thanks ANSWER:  the chain should fit altough ou should change them as a set and yes this will get you more low end. QUESTION:  hi so i would like the 12 teeth sprocket for front ...and 47 teeth for back and a new chane to and a front brake kable and leaver . email me if u can get them and the price so i can bye ok ANSWER:  just order it on the site and it will give you a total QUESTION:  hi i nead a 47 teeth sprocket for yz 125 2000 model can u get one and big one for the front and chane to fit sprockets.. if so tell me the price to get it to wellington n.s.w. 47 gisborn st. post cod 2820 ANSWER:  front are 12-14 shipping will be aprox $20 QUESTION:  hi i have a yz 125 2000 model im looking for more power in top end 6 bolt sprocket about 47 49 teeth looking for a small sprocket . what do u suggest to give me max power in top gear ANSWER:  STOCK IS 48 IF YOU WANT MORE TOP END SPEED GO WITH A 47 IF YOU WANT MORE POWER DOWN LOW GO WITH A 49 QUESTION:  hi i have an 84 it 250 do you have a 48 sprocket? 6 bolt bolts are inset if so how much and how long to ship to vancouver canada thanks. ANSWER:  yes we do part # 5036-520-48 about 3 days QUESTION:  I have a yz250 2005 I am trying to change the front sprocket. does the nut unscrew counter clockwise? I know this sounds pathetic but I am new to this :) I not sure if it is reverse threated, if not any ideas on how to loosen it ? ANSWER:  use an impact gun and yes lefty loosy righty tighty:) QUESTION:  I have a yz250 yamaha i have on it 14t counter sprocket & 50t rear, if you put a 13t sprocket with a 51t rear,will it make bike have alot of tourqe or less . it feels it has to much for me now. thanks danny ANSWER:  THEN IF YOU DO IT YOU WILL HAVE EVEN MORE GO DOWN TO A 48 IN THE REAR AND IT WILL MAKE YOU HAPPY. DRIVEN RACING Still have questions about this product? Ask your question here: Your email (so we can send you the answer): Email questions to: Service3@1Trail.com   To place your order by phone:

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