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Found 4 results

  1. Hi all, I am doing a top rebuild to a 434 big bore on the drz and clutch plates replacement and when I drained out the oil there was a very small spring on the drainage magnet and I have no clue from where it could've come from any of you guys know where it could've come from Thanks in advance
  2. Hello, new member with couple of questions. I just picked up a 2018 DRZ400sm from a dealer last week. It was used with approximately 1k miles. I was told and assumed it was all stock. However, last night I pulled the seat off and I saw where the previous owner had done the 3x3 airbox mod. The carb still has the brass plug in where the fuel mixture screw is located. I immediately became concerned that I might be running lean based on what I have read on the forum thus far. The bike is running great so far but I didn’t want to ride it anymore until I was sure it wasn’t running lean. So, in order to see how it would run with the air box closed, earlier today I cut a 3x3 piece of cardboard and taped it over the hole. The bike started and I made it about an 1/8 mile down the road and the bike cut off. It would not start back up. I immediately removed the cardboard from the hole and the bike started back up and ran great with great throttle response and good torque. I was really hoping that I wouldn’t have to do any tinkering to the bike right now, just ride and enjoy it. My long winded question is this. Is it safe to assume that since the bike runs great with the 3x3 opening in the air box and runs like garbage with it sealed off that it has been rejetted? Does anyone ever rejet without messing with the mixture screw? I guess I should just pull the carb this weekend and have a look,but based on how great it’s running it doesn’t seem like I need to. Thoughts? By the way, great forum with lots of great info on what seems to be a great little bike!
  3. Hi, I'm pretty new to the forum but I made an account cause I saw some old threads from 5-10 years ago about this topic. Hopefully I'm not breaking any rules and this is all in the right place. Does anyone know any current vendors where you can buy those 1/4 turn DZUS fasteners for your airbox (with the D ring, 21mm?) I can only find up to 17 or 19mm online and all the thumpertalk threads pretty much end with the people getting refferred to a guy named Sundog. I'm not sure how to contact them or if they even have any left after all these years but if anyone knows how to procure these I would be pretty grateful. I tried calling a dealership to see if they could order them from a distributor and every hardware/motorcycle/and automotive store in my city. either they had never heard of the part or they didn't have it/couldn't get it. Is my only option just to poke at those washers and hope I don't break the teeth off removing them?
  4. Okavic

    Drz400sm Super Budget FCR

    Whats popping TT Peeps About a year ago i decided to tackle a super cheap budget FCR kit, that cost me about 200 bucks if that. Because to be honest i'm not too interested in spending 1000 bucks for a carb. The first most important thing. look for a used carburetor on the Face book market place,Craigslist, Offer up etcetera, generally you'll find many MX bikes that are constantly being parted out. Generally people That are parting out a bike don't really care about part value and will usually sell for cheap, since hey the bikes pretty much rotting in some shed or back yard might as well get rid of it. I've seen all kinds of FCR carbs, that are practically getting thrown away, Me personally i have about 4 FCR carbs, that I picked up for less that 50 bucks a piece. Thats a steal really, $50>$1000. 1. Carb condition/type From my experience, carbs don't usually require extensive rebuilds, maybe just a simple rebuild kit. That its self only cost about 15 or so bucks, per usual if the piece is covered in an inch thick layer of grime. Its probably not the best bet, of course you're not going to get a brand new part, but hey money talks. nothing more than a can of carb cleaner can help. I've also seen a lot of talk around the forums saying that you'll need a Euro FCR carb (The one with the removable intake bell) to get the ball moving, that is completely false. Japanese mx bikes are alot more common in the U.S. . So you'll come across the fixed intake bell a lot more. These work completely fine don't stress it. Another common misconception i see a lot is FCR size. I'm currently running a FCR 41 bored to 43.5MM and it runs completely fine albeit a little lean... Surprise surprise. Currently running a 42.5 pilot, and a 185 main. Carb sizes varies from maker to maker, my old crf250r had a 40mm carb, the drz can run bigger, no issues at all. One Note Though Stay away from quad carbs, YFZ450R carbs will not fit at all due to the tps system getting in the way. 2.pieces needed The old DRZ400E had a intake manifold that was made to hold an FCR. The kicker... the damn piece will end up costing as much as the carb if you're able to get on for under 50 bucks. since you're going to have to order through a parts site. Such as Suzuki Parts house. PIPE, INTAKE E3,E28 $13.48 13111-29F00 CLAMP, HEAD $3.45 09402-58208 CLAMP, CARB 3.45 0940-58208 Shipping is gonna be ridiculous, but what ever they have the part, and you don't☹️ Next you're going to need a FCR bell adapter, you can pick them up on the TT classified page or on ebay. I've seen them go for about $60 or so. I don't think anyone really needs the CNC Adapter, its another 30 bucks. The cast plastic one works fine, you do need to seal it with gasket maker, when installing it to get a complete seal. You're finally going to need a new set of cables and a twist Throttle, I tried getting the stock ones to work, but to my luck it didn't work. I got mine for about 35 dollars and i got them in the mail about 3 days later. The hot start also comes into account depending how picky you are about your set up. i just plugged mine with an engine bolt. I also recommend getting a Non Vacuum petcock, it only cost about 10 dollars and you don't have to deal with setting up a vacuum nipple. And thats about it really my project cost me around 180 dollars and 3 days of down time, also you're gonna have a blast getting the damn thing to fit in the bike but it'll fit. unfortunately i dont have any pictures to show. happy hunting peeps
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