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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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#1
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Gas Gas ec 2006 1st gear problems
I picked up an gas gas ec 250 2006 and on my first ride my first gear was ok for around 45minutes and then I felt this weird "jolt" when I would give it some throttle in first gear, I guessed something had gone wrong with chain/sprockets so had a look, all looks fine.
I would give it around 20% throttle > jolt > release throttle > throttle again > jolt. That is what happens with slow throttle. If I rip back the throttle then it will power > jolt > power > jump into neutral. It seems like some sort of selector/shaft issue because it's only happening in first gear, I tried every other gear and they work 100% fine all through the RPM. I rode the bike for approx 2 hours after I first noticed it and it didn't get any worse or better, if I ride slow I can ride first gear for a very long time which gives me some hope that the gears aren't mashed or anything. Any suggestions? |
#2
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Yes, strip that gearbox before it gets terminal.
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'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#3
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That's a shame.. You just got that bike running how you wanted.
You're about to learn a whole lot if you intend to do it yourself. Luckily, Rockefeller just did his own rebuild and documented the whole process. I'd check it out if I were you. |
#4
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Quote:
Luckily a bearing in the gearbox in my kx 125 destroyed itself a few months ago and I did that myself so hopefully this isn't too much different. I am really tempted to get another ride in on Sunday before stripping it all down though and not use first gear. What do you guys think about that? |
#5
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Your problem looks to with first gear only. There is another shifting issue to be aware of, but it is not specific to any one gear.
http://www.gasgasrider.org/forum/sho...selector+shaft
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2011 EC250E |
#6
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Before me a family member owned it and I remembered him saying when he would rev it hard in first gear it would jump into neutral.
When I was riding it for my first ever time (last week - 2 hour ride) I noticed while in first gear if I went to a hill climb or something similar which required a lot of RPM it would jump to neutral, I thought it could have been the gear lever on the case where it was vibrating so much so I changed it but no luck, still doing it in first gear. The above has happened for approx 5 hours riding time, it was only today the "jolt" was happening. Does this provide anymore insight into what it could be? |
#7
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My clutch cover on my ajp says use DOT4
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Matt 1999 GG EC 250 Six Days 1999 Cagiva Gran Canyon 2001 Aprilia Falco 2001 Triumph Speed Triple for my 20 year old 2000 GG XC250 for my 20 year old 2003 Honda Rancher 350 for the wife |
#8
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Good point!
only some ajp are mineral oil
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2013 ec200r |
#9
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Anyone know how to check if the OEM cap has been replaced?
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#10
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Well, I put in mineral oil today and no change .
A friend also has a crf 250 that is stored at the same place as mine, his bike was cold and I held in his clutch and it has very similar clutch drag to mine so I'm thinking maybe it's not as bad as I think and hopefully changing oil will help it. Still no luck with neutral though. It wouldn't be possible that something I put together in the gearbox is causing this? I can find neutral when the bike is off but it just falls to another gear once pushed. |
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