KTM 300 opinions

Discussion in 'The Rockies – It's all downhill from here...' started by thump_co, Mar 7, 2012.

  1. thump_co

    thump_co ..ouch

    Joined:
    Feb 23, 2011
    Oddometer:
    2,501
    Location:
    8532'
    Jetting - RF, Tom?

    So.. the GJ enduro looks like it's all around 4800-5200 and forecast at 70. Anyone with have some jetting suggestions for me with the Slavens head?

    The JD sheet says Blue needle clip #2 + 162 main. When I was down in NM (still stock head) I ran touch leaner with Red needle clip #3 + 162 main and it seemed great (and it was colder). Already swapped to the 162.. trying to decide between blue vs red.... :ear
  2. RideFreak

    RideFreak Torque Junkie

    Joined:
    Apr 17, 2009
    Oddometer:
    8,600
    Location:
    Out in the NM Dez somewhere
    165 and bump the needle one clip pos richer. I think the blue (not sure of the position) is the next richer needle needle position, it jumps back and forth between the 2 depending on the clip position, I don't have the chart handy though and I'm headed out to work, sorry. Good luck and don't forget the taller gearing :clap
  3. thump_co

    thump_co ..ouch

    Joined:
    Feb 23, 2011
    Oddometer:
    2,501
    Location:
    8532'
    Thanks. I ended up going with the JD recommended (blue #2, 162 main) + doing 50/50 pump & VP110 gas.

    Found out I don't have the 50t rear sitting around that I thought I did. Just going to see if I can round up a 14t to swap on the front tomorrow.
  4. RideFreak

    RideFreak Torque Junkie

    Joined:
    Apr 17, 2009
    Oddometer:
    8,600
    Location:
    Out in the NM Dez somewhere
    I think it helps to bump the main slightly with that head but I'm runnin "casual" gas. :D

    Race gas should more than make up for it though.
  5. thump_co

    thump_co ..ouch

    Joined:
    Feb 23, 2011
    Oddometer:
    2,501
    Location:
    8532'
    Interesting.. Jeff S was telling me I could go leaner (higher comp = more complete burn), but I'm not that brave.. especially given that we could find some deep sand in places.

    Fingers crossed.
  6. grub

    grub Requires Supervision

    Joined:
    May 15, 2009
    Oddometer:
    2,244
    Location:
    Waiting for a green light on the red line
    First time on a trail with the 300. Quite a different throttle response than the XR400 :D I have a root in the trail I rode that I have come to call the wheelie root, I look forward to it, on the XR I stand up and compress the suspension, as it releases I crack the throttle and whip out a cool little wheelie. I'm so glad I was alone, on the 300 I stood up and compressed the suspension, cracked the throttle and rode an uncontrolled wheelie into the timber straight off the trail until in a desperate act of self defense I flung myself from the bike. My index and middle fingers on my left hand look like little swollen black bananas, this bike has a Rekluse, is that coincidence :lol3

    Going to take a little time but I think we will learn to get along just fine.

    PS - First tracks of the year on that trail - gotta love that.

    [​IMG]
  7. Greg@RME

    Greg@RME Weekend Adventurer

    Joined:
    Jun 25, 2006
    Oddometer:
    1,486
    Location:
    Grand Jct, CO
    :lol3 Awesome!

    IMO the throttle response at the bottom-end takes some learning, coming from a 4 stroke. I still haven't mastered the perfect amount of 'blip', but I'm getting there.

    Congrats on the new 300! First tracks on the trail is great too!
  8. grub

    grub Requires Supervision

    Joined:
    May 15, 2009
    Oddometer:
    2,244
    Location:
    Waiting for a green light on the red line
    Going to take me a little time to master that perfect amount of 'blip' for sure :lol3
  9. grub

    grub Requires Supervision

    Joined:
    May 15, 2009
    Oddometer:
    2,244
    Location:
    Waiting for a green light on the red line
    All good points, I told myself how it was going to be different but my muscle memory just took over when I got on the trail, I chopped the throttle going into a downhill turn and expected the bike to slow down :huh A few more hours on this thing and I think I'm going to love it, can't wait.
  10. DirtDad

    DirtDad Green Chile Guru

    Joined:
    Apr 28, 2006
    Oddometer:
    1,663
    Location:
    Albuquerque NM
    Give it some time. After a few more rides you will be amazed at how well you can slow down, turn, blip the thottle, tackle obstacles. It is alot of fun riding trials where you really don't know what's around the next corner, and just working the bike to tackle the terrain. Once you get into
    the zone, it is hard to imagine anything else better. :D

    What is more fun is taking a four stroke out after you have gotten used to the two-sroke. :lol3
  11. thump_co

    thump_co ..ouch

    Joined:
    Feb 23, 2011
    Oddometer:
    2,501
    Location:
    8532'
    Grub - It's a double wammy for you. Not only getting to experience the normal 4t > 2t adjustment, but also going from an XR to actual horsepower. :wink: I bet you'll quickly make the adjustment of having to anticipate leaning your body weight to counteract for throttle changes. Then it'll be game-on.

    On that note..

    Mine was almost too much bike this weekend. The high-comp head + plus lower altitude + race gas turned it into a monster. I had a borrowed 14t front, but never got a chance to slap it on prior to the race so was still running 13/52. Even with the map switch in low it wanted to roost every corner and the power delivery is so instant off the throttle that I was worried every little twitch was going to leave me sitting on my ass in the sand while the bike kept going. Made the hill climbs a breeze, but definitely made for more work in the tech sections and never-ending whoops.

    Ultimately, I think gearing it down and re-tuning the PV will tame it just enough to make it perfect for elevation riding, but I'll want to swap back to the stock head when getting below 3-4k.
  12. RideFreak

    RideFreak Torque Junkie

    Joined:
    Apr 17, 2009
    Oddometer:
    8,600
    Location:
    Out in the NM Dez somewhere
    If I'm ridng Dez I like the red spring/flush, linear power, earlier hit, more roostability. On technical riding I prefer Green Spring/2 turns in. It doesn't hit the pipe till I have to room (and want to get on the pipe), nice knarly (read tractable) low end. For me the stock gearing (13/50) is too low, the hit is too hard and the wheelspin gets excessive, I ride noticably smoother geared up a slightly (13/49) esp with the hi comp head.
  13. cross-country

    cross-country .

    Joined:
    Aug 2, 2005
    Oddometer:
    1,766
    Location:
    Grand Junction, CO
    What does the plug look like? I bet if you ran pump gas and fattened it up it would be less of a handful.
  14. thump_co

    thump_co ..ouch

    Joined:
    Feb 23, 2011
    Oddometer:
    2,501
    Location:
    8532'
    Yeah.. I'm gonna try 13/50 to start and then play with the PV. I'm running the yellow spring 1 turn in right now. The thought of the red scares me.

    Man, I haven't even washed the thing yet, let alone pulled the plug. Rolled in last night and sacked out as soon as I unloaded. Good point though, I wanted to pull the plug to run a comp test anyway now that the new top end is fully broke in. Wrenching motivation is going downhill though as we continue to pile up more snow here. :cry
  15. grub

    grub Requires Supervision

    Joined:
    May 15, 2009
    Oddometer:
    2,244
    Location:
    Waiting for a green light on the red line
    Thanks guys, my biggest problem will just be getting used to the difference in throttle response at low rpm and higher rpm. A little throttle crack at low rpm feels about like a little throttle crack on the XR, and well you guys know what happens when you hit it with a little authority at a higher rpm :huh Later in the day I was playing around on a road cut on the way back to the truck and things were working smoother for me. The XR gave me the freedom of a little panic throttle occasionally when things got ugly, I will have to avoid that now or I will be getting up and brushing myself off while I head off into the timber looking for the bike :D

    Because of my dainty and diminutive physique and the high elevations I typically ride I swapped out to 13/52 and now plan on picking up a green spring in Montrose this weekend, I think it has a yellow spring in it but haven't checked yet. It's pretty easy to tell why these things are so popular and am hugely looking forward to putting some hours on it this summer. And one more thing, anybody that can come out of a curve in a forest road connecting a couple of trails hot in third and hold it whacked through fourth and into fifth without a huge grin has something wrong with them and needs to find another hobby.
  16. cross-country

    cross-country .

    Joined:
    Aug 2, 2005
    Oddometer:
    1,766
    Location:
    Grand Junction, CO

    I'm sick of your excuses!


    Take next week off and head south with me. That should straighten you out.:freaky
  17. Greco

    Greco Braap!

    Joined:
    Apr 11, 2006
    Oddometer:
    1,152
    Location:
    Colorado Springs
    Had to go looking for this thread. What a wealth of info. I'm trying to decide whether or not to buy an 09 300. Still can't talk myself into getting rid of the 450. You guys are no help! :D
  18. HellSickle

    HellSickle Scone Rider

    Joined:
    Sep 19, 2005
    Oddometer:
    10,473
    Location:
    Fort Collins
    The solution is simple. Have both. Works for me.

    Seriously, if you can only have one bike, I would keep the 450 (assuming it's an EXC). 6 speed and the 4-stroke is much more versatile.
  19. VxZeroKnots

    VxZeroKnots Long timer

    Joined:
    Jun 5, 2008
    Oddometer:
    3,415
    Location:
    Durango CO
    for sure keep the 450. I have a 300 two stroke and it is only good on the trail and great in the gnar. For longer rides (more than one tank of gas or past 60 mi) or for dual sporting I'm wishing for a 450.
  20. Greco

    Greco Braap!

    Joined:
    Apr 11, 2006
    Oddometer:
    1,152
    Location:
    Colorado Springs
    '12 450sx. Hare scramble bike. The e-start is a huge advantage in a dead engine start. When the terrain is more open and flowing, its one of the best bikes out there. I started doing some of the RMEC enduros and those can be much more tight. SX is not the hot ticket for that at all. Both would be optimal, if I can pull it off.