Ive had my 17 drz400sm from dealer, last year i did the 3x3 mod,jets and full mrd system and absolutely love it. All of a sudden in the middle of riding a average temp, average ride the bike no longer you allow me to do any heavy throttle. I can roll throttle on and full rpm range, and once...

Just got a new 2014 drz400sm and need to get more power out of it. I have started on the 3x3 mod, have a BMC race filter and a full Yoshimura RS2 exhaust to put on it. What would be my best bet on a jet kit and what parts will i need for it. I hear to get allen bolts for the bowl. Do they come...

so after putting the big bore 440 kit on my drz, i was wanting to put a new carb on it, although the fcr carb is EXPENSIVE and im poor :( so im wondering if there are any cheaper alternatives, like putting a crf 450 carb on it? probably sounds silly but just wondering. thanks

Hey guys I'm pretty new here but I am in the process of perfecting the jetting on my bike. Here is my dilemma 4th gear top speed 70mph @9500-10000 rpm WOT 5 th gear top speed 70mph @8000-8500 rpmWOT Why will my bike not push out that extra 2000rpm's in 5th??

I have a 1998 Wr400 that has been down for a while. I was riding it about 2 months ago, when it suddenly started to surge in power, then immediately died. I tried to restart the bike, but it had no compression. After i tore it down, I found a piece of the carb vacuum plate (FCR MX 39) stuck in...

The DRZ is my first bike with a carb and I need some direction. I've searched and asked buddies but still need some direction. OK so, Three positions which are "ON" "PFI" and "RES". What are the correct way to use this positions? Please correct me if I'm wrong. On is for initially starting the...

hey guys, i found an add on craigslist with a parting out 2001 drz400s. He is selling a CVK40mm carb for $100. why is it so cheap and would it fit my 2007 drz400sm? thanks

Hello, I am looking at a Big Bore kit for my DRZ. I found one that is a steal of a price from a guy. It is a cylinder with a 453cc sleeve. He is also selling a used but rebuilt 41.5mm FCR carb. My questions are, is this a good kit? Is it too big and will my reliability suffer a lot? Also...