Search the Community: Showing results for tags 'motor'.
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Jason Mikel posted a topic in WR/YZ 250FI am a long time reader and finally created an account and bought my first bike, a 2013 Yamaha Yz250F. I come from the street bike world owning and riding all types of bikes. I currently own a Multistrada 1200s and that bike convinced me to get my dirt bike. I am excited to get into a new hobby but I have two questions. The first question is when to change the bottom end? My bike supposedly has 40 hours on it so I will be doing the top end next week and checking the valves. I see all these posts about bikes blowing up and I dont want that to happen. I am the third owner on the bike and the second owner sold it to me because he only put 20 hours on it in 2 years and didn't have enough time to ride it. The bike does need some tlc so I already ordered new cables, grips, levers, filters, and brake hoses. I will refresh the plastics last. Mechanically I am pretty good at tinkering with things and have watched a rebuild of a 2004 Yz250F on YouTube and I feel like I can do it, I even bought the service manual to assist me. I will not be racing the bike and I bought it to explore the land around me (Midwest). I will also give it all it has once in a while to have fun. Let me ask you this, given this info, should I buy the tools and replace the bottom end as well? The second question is I tore down the bike to give it a nice cleaning and found a huge gouge in the upper fork tube. Time to replace the upper tube? I will attach photos at the bottom to show you.
First i want to thank everyone for their input into the vast amount of knowledge that can be found on this site. It makes life a bit easier and interesting for people like me. MY question is about fitting a ltz400(or klx400)cylinder head onto a drz400. I've searched the forum quite a bit and need to be sure a couple of things. 1. I've read that the ltz400 head is a direct fit for the drz but i would need to plug the manual decomp if i'm putting the cylinder head on a drz400s model. How exactly is this done?I'm assuming the ltz400 head has manual decomp 2.If i were to buy a ltz400 head to put onto a drz400s, would it make a difference whether i bought the assembly parts (cams,valves,shims,springs,etc) for the drz or for the ltz? 3.I've read that the klx400 head is a direct fit also. Is there a specific year klx400 that only fits? Thanks in advance for the responses!