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About GTXR

  • Rank
    TT Platinum Member

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  • Gender
    Not Telling
  • Location
    British Columbia
  • Interests
    camping/biking/car restorations etc
  1. GTXR

    CRF250X head and smoking question

    When does it smoke? What colour etc? Probably just needs a new piston and rings. possibly a set of valve seals or guides. But depending on when it smokes can dictate this. Easy to rebuild motors. etc.
  2. GTXR

    kx250f Rebuilt wont take any throttle?

    Rebuilt motor was from a 3rd party. Neither of us had any idea that the flywheel was different. It was a matter of changing parts and researching 2004 Kx250f issues.
  3. GTXR

    kx250f Rebuilt wont take any throttle?

    Well since no one else had any thoughts or ideas. We finally figured it out. You cannot have a 2005 + Flywheel with 2004 ignition. Somewhere along the line the rebuilt motor got a flywheel swap.
  4. Ok so posting for a friend. 2005 kx250f however we are both good with engines and repairs etc. Have done a lot myself. Kinda stumped on this one though. He has a motor that was put together with a pro circuit head porting/high compression piston and a set of pro circuit cams. Not sure what cams specs are. Now we swapped this motor into a chassis that had a blown engine. after alot of kicking and adjustments with the idle and fuel screw. I can get it to idle. and start decently. however it will not take any choke hot or cold. And it will not take any throttle at all? It just dies. No popping or rpm increase. Just dies. So we swapped out a the carb/stator/ecm/coil/ checked the cam timing twice all from a running bike. . Changed out the jets leaner and richer. Only thing we cant do right now is check compression. no matter what it will start and idle. Fuel screw seems to be working correctly. However it will not get into a high idle or accept any throttle no matter how slow or fast nor will it take the choke? We are at a loss. Any help would be greatly appreciated. Thanks.
  5. Any luck on the issues of the bike not starting? Im having the same issues at the moment
  6. Question. Looking at an old thread of yours. Did you ever get your bike to start after the rebuild? Was it the cam timing or did you find another issue?  Having the same problems and im at a loss?  Thanks for the help

  7. GTXR

    CRF450L Build

    What is the sensor in the Thermostat housing? and where does it Go? Or get connected to? Did you remove it? thanks. You should put a filter on that vent line and run it up high under the seat or air box though. Thanks.
  8. Just wondering if anyone has or has seem a complete heavy flywheel for the new 2017 2018 crf450r Or RX? I cannot seem to find one on steahly site or any other for that matter? Looking into an upgrade but would like to add the flywheel along with a few other off road parts when i make the purchase. Any help guys? Thanks.
  9. GTXR

    CRF450R Lights?

    How long do you need light for? I have a 40watt led light bar mounted just in front of my bars. 2 bolts to install and remove. Powered buy an 8000mah lipo batter. Its brighter than any car/quad/utv lights buy far. and you cant ride fast enough to out ride the light. I get a solid 2.5hrs out of each battery. carry a spare. plus my Led helmet light and i have tons of light. Ill post a pic later if you want?
  10. GTXR

    Coolant leaking out of weep hole

    Balancer shaft bearings. Thats what I meant to say. that shaft also has the oil pump drive gear on it etc. This is often over looked on older or high Hour engines etc. Good luck but im betting its your problem.
  11. GTXR

    Coolant leaking out of weep hole

    Have you replaced the oil pump bearings and water pump drive shaft bearings?? The oil pump bearings are on the inside case after you remove the outer case and water pump housing. if these have some wear in them. It will cause the water pump shaft to wiggle/ have more play than the seals can handle. It will cause a leak no matter how good the seal or shaft is. Also are you putting the seals back together in the correct direction?
  12. GTXR

    Cold jetting

    Kick it over once or twice. Give it 3-4 full thottle twists pull the choke out. And give it a good kick or 2. If its jetted properly it should fire up. If it fires and then sputters and dies. Give it a few more throttle wacks and try again. Works everytime for mine
  13. GTXR

    Lexx MX3 slip-on

    Do you have one? Have you Dynoed it?? There are slight gains over stock.
  14. GTXR

    Crf450 kick start stop plate

    crf450r Does not have a Decompression Lever!! Its automatic. Decomp system is run off of the cam journal inside the valve cover. Once rpm reaches a certain limit it disengages. Only extra lever on Non FI 450's is the Hot start.
  15. GTXR

    Lexx MX3 slip-on

    I use the same Lexx Mxe and powerbomb header combo on my 04. It does give more power all around and a bit more bottom end snap. I run mine with the optional screen type spark arrestor and the 34mm tip. Sounds great. Pretty quiet at lower rpm levels to keep the trail gods happy. And not really any louder than stock when in the upper rpm while on the throttle. Great pipe for the $$$