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Found 26 results

  1. Lahms

    KTM 250 SX (2017)

    0 comments

    Bike is fantastic and rides well. Only gripe is the reeds(gappy) and the stock carb(mikuni is a pos). Other than that, its a masterpiece. No vibration, very good air forks, and super light weight make it awesome. Equip with with a Keihin carb and VF4 reeds and go ride. I got my bike as a used demo bike, it had 24 hours on it, priced at $5600, $2100 off MSRP. Got a fantastic deal!
  2. 1 review

    FEATURES Chromed semi-flat (D) throttle valve for excellent response and more flow at high RPM. Throttle bores sized to give maximum power. Easy jetting with jetting parts available. Quad Vents: Eliminates post jump bogging from fuel plugged vent passages PWK Air Strikers: Directs air to main nozzle for improved signal and throttle response.
  3. Ruben Ruben

    Suzuki DR-Z400S (2002)

    0 comments

    very reliable,good fuel consumption.not very good suspension and brakes. good all arround bike but nothing special
  4. 1 review

    SPECIFICATIONS Type: Main Jet Type: Jet Units: Each Weight: 0.37 lbs
  5. 3 reviews

    PWK GENERAL: PWK CARBURETORS Producing power without compromise The motocross world knows PWK. Keihin PWK carburetors is the dominant carb on the factory motocross machines. Because of their great performance they come stock on a lot of the leading brand bikes. With these features you can take advantage of Keihin's superior performance. PWK FEATURES Chromed semi-flat (D) throttle valve for excellent response and more flow at high RPM. Throttle bores sized to give maximum power. Easy jetting with jetting parts available. Quad Vents: Eliminates post jump bogging from fuel plugged vent passages PWK Air Strikers: Directs air to main nozzle for improved signal and throttle response.
  6. Chevy_97

    KTM 300 XC (2017)

    0 comments

    **2018 KTM 300 XC** (TT is behind on their model year options) Amazing quality and performance. Best bike I've ever owned just in the short time I've had it. The engine felt a little meh with the stock Mikuni carb, but now it breathes fire with the 38mm Keihen. It's gonna be hard to go back to riding a big bore 2 stroke without a counterbalancer. When was the last time the suspension was a strong suit on a katoom?!? Let's just say I can no longer use the SSS argument to defend my Yamaha... Ktm has raised the bar and changed the game with this one!
  7. 1 review

    Pilot Jet Type: Keihin Size: 58 Thread dia: 5 Length: 28 Slot Head Dia: 5 No of bleed holes: 8 Size range: 35 to 80 Size steps: 2 & 3
  8. Now for the fancy part. Our engineering group just bought a 3D printer so I made my own custom perfect fit adapter. It is solid plastic. I can't say for sure how well it is going to hold up but initial test are promising. Gasoline/ carb cleaner seem to have no affect on the plastic. It is winter here so I haven't got any real world field testing done. There are several differenet types of plastics that can be printed so I might want to try a few different prototypes. Anyone who wants the file, pm me and I will send it to you. If you know someone who has a 3D printer have them make you the part. We have the "Makerbot 2" it took 6-1/2 hours of printing time to make it solid. You will need to file off the lip of the carb in order to install the printed adapter. I used RTV sealant to glue it on. It's a snug fit, even without the RTV it's hard to get off the carb. I used DOT-COM's Jetting suggestions and it runs great. Thanks for all your hard work buddy! 158 main 45 pilot NCVT needle 3rd clip from the top leak jet is still stock - I think it is something like #65 Here is the total parts list and pricing. 2007 CRF250 FCR MX --- $130 Shipped - Ebay 2007 CRF250 Tusk throttle cables $14 -- Rockymountainatv FYI --- 4" longer than stock XR650L cables but will fit the XR650L housing. The longer cables fit much better. No binding or Stretching when turning. Hot Start Button OEM parts 2007 RMZ450----Rockymountainatv 13410-35G10 STARTER VALVE | MODEL K5 $18.88 XR650L intake boot -- $23 shipped --- Ebay Jets Prox brand from -- Rockymountainatv -- $15 NCVT Needle OEM parts 2004 YZ450F --- Rockymountainatv TA-14916-VT-00 NEEDLE (#NCVT) | $9.37 Custom printed part Freebie!!!! Total Cost $210 give or take a little If you have any question let me know. I will do my best to answer them. Enjoy the new found power. *UPDATE* 5-1-14 A few members who have done this upgrade have reported that the gas tank was interfering with the top of the carburetor. Due to possible variations when buying a used carburetor or if you are using the stock tank or an aftermarket tank, this may be the case. It is very easy to remold or push in the area on the tank that is the problem. Firstly remove the tank from the bike and drain all the gas, leave the cap off and let it air out for a few days. Mark the area that needs clearance. This next step is very important, only use a heat gun to heat the plastic tank, this is the only safe way to gradually bring the plastic up to temp until it is soft enough to deform with some applied force (palm of your hand). Do this slowly moving the heat gun in small circles to gradually bring the area up to temp. I used a heavy pair of leather work gloves to push on the area I needed to deform. Once you get it to deform hold it there for a few minutes until it cools and sets. Put your tank back on and check the clearance repeat as needed. If you need more clearance and don't want to deform the tank additionally, you can cut a piece of 1/2" thick rubber and glue it to the rear rubber tank / frame bumper. This will raise the rear of the tank just enough to get the clearance you need. I am also still making the adapters for members who request them. If you want send me a PM and I will get back to you asap.
  9. Can somebody please tell me where I can find the restrictions on my 2014 DRZ400E Pics would be good also????
  10. Hello, Started riding last August at the ripe old age of 28. What took me so long? I bought a KLX250, then an XCF-W 250. I love them both. What the KLX lacks in power and lightness, it makes up for in me not being afraid to work on it. I need some advice from you fellas. To optimize my carb so the bike runs as good as it possibly can without me having to shell out $900 bucks to Bill Blue. I bought the thing and it had an FMF Powercore 4 pipe on it. From what I can tell, the head pipe is stock. The carb has been modified in the following way: The washer on the needle is in the middle (3rd position). The main jet is a #132. I can tell the main jet has been changed from stock because it is not a Keihin jet. So that means the previous owner did some jetting to suit exhaust. It ran okay I guess. Kinda wimpy. Especially compared to my buddy's big bore KLX 331 Bill Blue. The mods I am doing to mine are as follows: Drilling slide to 7/64ths size hole. Removed smog stuff, capped appropriate holes. Rerouting crank case vent with 5/8ths hose, bypassing air box. Installing a snorkel from a KDX 220 (currently the airbox lid is on, no snorkel) Changing out stock head pipe to KLX300 stock head pipe. That's pretty much all I can think of for performance mods. Unless someone else can think of any I am missing??? I know most of the performance increase will be from changing the carb. My options are to do the mods, throw the carb back in as is, get new spark plugs, see if it's running lean or rich, and go from there. Or I can get a #138 main jet now and see how that works. I read somewhere Kawasaki recommends a #138 main jet to derestrict the bike (I will post the information below). Any experts can give me advice on jetting/mods? All the above mods, UNI foam air filter (red one), 300 meters (1000') above sea level. I just want the thing to perform at peak with the least amount of $ spent. Thanks guys, and awesome forum!! Here is the post about the Kawasaki recommended derestricting methods, can't remember source but from some forum: For Reference: Derestriction Procedure For Standard KLX250T9F To improve the performance of the KLX250T9F model for competition purposes, the following modifications may be performed 1) Remove the carburettor. 2) Remove the carburetor slide and Jet needle. 3) Fill the 2 holes that are beside each other towards the top of the slide with a suitable plastic or metal epoxy. Sand off any excess taking care not to remove excessive material from the slide surface. (The hole in the lower part of the slide must not be filled or blocked.) 4) Alternatively replacement slide part number 43028 – 1081 may be used, this part does not have the restriction holes and is available through the Kawasaki spare parts department. 5) Place a spacer (Part # 92022 – 1003) under the needle jet to richen it up 0.5 clip position. 6) Suggested main jet for modification of a standard bike #138 (Part # 92063-1015) 7) Suggested air mixture screw setting is 2 ¼ - 2 ½ turns out from lightly seated. 8) Remove the intake snorkel from the top of the air box. (Do not remove the air box lid) 9) Re-assemble the motorcycle and test, sometimes alteration to the carburetor mixture settings may be required to obtain maximum performance. Each motorcycle should be jetted individually, however the above settings will generally be very close to optimum.
  11. 1 review

    PWK GENERAL: PWK CARBURETORS Producing power without compromise The motocross world knows PWK. Keihin PWK carburetors is the dominant carb on the factory motocross machines. Because of their great performance they come stock on a lot of the leading brand bikes. With these features you can take advantage of Keihin's superior performance. PWK FEATURES Chromed semi-flat (D) throttle valve for excellent response and more flow at high RPM. Throttle bores sized to give maximum power. Easy jetting with jetting parts available. Quad Vents: Eliminates post jump bogging from fuel plugged vent passages PWK Air Strikers: Directs air to main nozzle for improved signal and throttle response.
  12. Hi I recently traded a roller car I had for a 06 rmz 250 with a athena 290 bb kit on it I've done minor maintenance on it including shimming the valves to speck and cleaning the carb let me just say it is a JOB to kick start my question is about the jets it has a180 main 68 pilot and a 52 idle from what I've been reading these are to big for my set up (btw stock cams and exhaust) will the jets contribute to the hard starting issue? Are the flooding the motor? And can anyone point me in the right direction as far as the correct Jets, also can I use standard head gaskets for this kit or do I need special head gaskets and where you get them if so? Thanks
  13. Mayt13

    Honda XR650L (1994)

    0 comments

    Awesome, with a few upgrades a really killer platform. Despite my Supermoto aspirations, I'm a big fan of the L's air cooling and electric start over the more powerful R. So far -Desert Tank -FMF full Exhaust -Pro-taper Bars -Performance rear shock -Custom Baja cage (more similar to stunt cage) Soon to be installed (already purchased) -Kenhin FRC MX flatslide pumper carb (41mm) -4.8 springs & 15w fork oil Hopefully mods to come -Fork Brace -Ducati 999 oil cooler -Beringer Brakes -Steel braided brake lines
  14. gjh347

    Husqvarna TE450 (2004)

    0 comments

    2004 Anniversary Model TE450.
  15. ment4bikes1

    cr250 carb issues

    I posted here awhile back and people told me that I can buy a new carb and it would solve the problem...I'm looking for a cheaper method as a carb is like $200. My problem is the float in my carb. the level is too high and in order for me to ride it I have to turn the idle way down so the bike doesn't idle at all but it drives properly. If it is idling properly then the bike bogs bad when starting in 1st gear(getting too much gas) but the actual bike runs great, starts 1st kick blah blah. anyway was wondering if this would fix my problem, i mean for like $30 worth a try.. http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=150582805145&viewitem=&sspagename=STRK%3AMEWAX%3AIT#ht_500wt_749 Let me know guys, i would really like this bike running properly so i can hit the track!
  16. Hey everybody, my 250f is leaking fuel out of the overflow and I tried everything to get it to stop. The float needle seat is pressed in on my fcr flat cr carb I removed it with a slide hammer but the piece is junk. My question is, is there anywhere to get this pressed in seat?? I can't see to find one anywhere
  17. Guys! Rebuilt the accelerator pump and still got the problem. I shot a quick vid. Can anyone see anything wrong? My mixture screw is at 2 turns if that makes any diff.
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