carburetor

  1. C

    Need help with walbro 997 carb issue.

    Hi. So I have an HPI baja 5b and a Rovan 32cc baja. Both cars have been kind of sluggish lately so I decided to rebuild/clean the carbs on both. After taking apart, cleaning and resembling both now I have the following problem with the walbro 997 carbs. When I go to prime the engine prior to...
  2. S

    Servo problems (I think)

    Having a bit of an issue with my dbxl and I'm quite new to all this but basically when I full throttle servo opens carb and when I close throttle it closes it fine, but when I full brake and then let of the brakes again it's reruns to a position where the carb is slightly open so everytime I...
  3. B

    Carb adjustment

    Hey guys, I have a rampage xt and was wonder how come when I use the controller my carb doesn't open fully. There is about and 1/8"-1/4" more room for the throttle to open. So I'm not getting full throttle. Any help would be appreciated, thanks.
  4. crankestein

    Walbro Carburetor 101 schematics (with photos)

    The following link shows how the carburetor does its magic, w pictures. http://outdoorpowerinfo.com/repairs/walbro_wt340_carb.asp
  5. D

    Won't go after a tumble

    So I've been breaking in my new dbxl. Had a little few tumbles on second run and started to bog as soon as I accelerate but will still sit and idle fine. Left it for most of the day and took it out again after cleaning out the air filter from that we'll known problem. Had my worst tumble yet...
  6. L

    Carb Wont Prime (plz help)

    Hey guys im having a very strange problem with my carb not priming any fuel.I have changed all gaskets, metering valve i even changed out parts from a working carb and still no go.Yes my lines are on proper so i don't know what it could be.I do have a working one so i could just forget about it...
  7. R

    HSN needle making no difference???

    I have an RCMK CR300F - with a 990 carb that has been modified with 2 bearings on the throttle shaft at either end. The carb is relatively new - was performing fine, I have checked all the gaskets and replaced a couple, checked the hose pipes, but despite all that it seems that the HSN needle...
  8. D

    Walbro carbs

    What is the difference between the stock 668 carb and the 997 carb. Thanks
  9. P

    Carb Maintenance Video

    Found a useful video from Walbro: https://youtu.be/cDaOcNrS6BM
  10. R

    Carb Question

    is there any way to tell what carb you have like a 668,813,990 ect
  11. Kevhuff23

    Carbon Kevlar Rampage XB body

    Custom made Carbon Kevlar wide body I made for my Redcat Rampage XB. Thought I would share and see what you guys think. Vented for air intake and engine cooling turned out pretty good a few imperfections but not bad I'm happy with it and its nearly indestructible and looks amazing pics don't...
  12. J

    Best carb

    hi all I have put a big bore 30.5 kit on my 5ive Engine with a Bartolone none silenced pipe i was just wondering it the original 26 carb was man enough for the job or should I upgrade it Many thanks john
  13. V

    Painting baja 5t polycarb body with pamiya ps

    Hi guys,so my new step is painting my own polycarbonate bodyshell,i want to do something similar to ken block's fiesta with the black bleeding.. So here is my issue,wich colours should i apply first...darkers first right..so i have: Ps5 black Ps15 metallic red Ps12 silver Ps8 light green Ps7...
  14. J

    rampage xr Rally carburetor and belt drive questions

    Hi everyone, This is my first 1/5 scale gasoline RC and I'm pretty new to 2 stroke engine. My break-in is done and I made my research because I have a hard time keeping the tune on the carburetor... I saw that the oem redcat carburetor is crap so I would like to change for a walbro but I...
  15. briguy

    990 carb

    Hello, well I see the RTR Sportsline 4WD Im getting tomorrow :) love fedex Saterdy delivery, comes with a 990 carb on the G270,I wish the 990 had a choke, wanted to double check on the settings 1 5/8 on the high 1 1/4 on the low at 25.1 Thanks. do you get some tools with this package spark plug...
  16. E

    Carbon fiber battery box lid

    New from Bartolone Racing!!!! Carbon fiber battery box lid. Eliminates the annoying back hinge and body clips. Mounts with 4 screws. BR logo stamped into the carbon fiber. More colors avalible soon
  17. E

    5ive t carbon fiber fenders

    Bartolone racing will be @ The West Coast large scale nationals this weekend in Chula Vista with his parts trailer. He will be selling parts as well as my carbon fiber fenders. 3 layers of 19.7 oz carbon fiber. Get em quick.
  18. Skinner

    Carb ?

    Just a ? I'm wondering on. My 30.5 km has a x brand carb and the 26cc rovan has a walbro wt232?? Anyone know about these walbro wt232 as if would work better than the x brand on my 30.5?
  19. E

    Zenoah carbon fiber engine cover

    Just got a batch over to bartolone racing. What do you guys think. Now comming on bartolone racing motors and avalible seprately. Contact bartolone racing for details. Custom colors soon to be avalible!!
  20. A

    Question about alcohol carb

    I have a losi desert buggy xl I just bought a new 30.5 cat 5 motor and a alcohol carb. The carb does not have a primer ball on it. I also bought a new fuel tank but what should I do with the other line I know to block it but was wondering in someone made a new grommet for the fuel tank so only...
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