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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc.


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Old 03-25-2016, 03:05 PM
Antanas Antanas is offline
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Default 4 gears gearbox

Hi, i have 2005 mc 250 engine with only 4 gears. My question, if i want to have 6 gears do i only need to change shift gear set. Would it fit from the same year EC?


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Old 03-25-2016, 05:40 PM
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cbutler cbutler is online now
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Yes it will fit.

They stopped putting the 4 speed trans in 02. My 03 is 6 a speed.
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02 EC 200
03 MC 250
88 VT 800
01 TXT 280
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Old 03-25-2016, 07:07 PM
GGRider01 GGRider01 is offline
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What do you know about the XC versions? Mine is a 2000 with a 6 speed. VIN indicates XC.
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Old 03-25-2016, 07:45 PM
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XC were what the Knights (importer at that time) got just had different suspension maybe ignition. With the exception of the MC up to 02 all GG have 6 speed unless it has been altered.
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02 EC 200
03 MC 250
88 VT 800
01 TXT 280
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Old 03-25-2016, 08:10 PM
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You may also need a shift.drum.
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Old 03-26-2016, 05:06 PM
jostby jostby is offline
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Quote:
Originally Posted by GGRider01 View Post
What do you know about the XC versions? Mine is a 2000 with a 6 speed. VIN indicates XC.
The XC250 had an abbreviated wiring harness (kill button and an on/off toggle switch that was mounted on/inside the headlamp-number plate). No turn signals, horn or speed display.

Also the XC had USD WP's instead of convention marzochi's and I think the rear shock spring was slightly stiffer, I'm thinking it was 5.1kg vs EC model 4.9kg.

2K2 ignition was lighter/faster revving with less voltage output (35w vs EC model 2k3 @ 60w)

The CDI was from the EC200 which had a more aggressive ignition curve. Some have said there was also a higher compression head that was used from the MC models but I've never been able to verify that.

The EC models used the spacer plate between the reed cage and the cylinder. The XC does not.

Bottom line, the XC was (and mine still is) a fire-breathing go-getter. Most folks prefer the smoother response of the EC models.
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'00 XC250 (mine)
LTS front and rear suspension, power valve cover, carb jet kit and rear chain glide, RB Designs head mod, BRP tall triple clamp, backyard foot-peg lowering conversion.
'04 EC250 (the kids)
(he can do his own mods haha!)
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Old 03-26-2016, 05:40 PM
GGRider01 GGRider01 is offline
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That's interesting. Mine came with the spacer between the cylinder and reed cage. I ran it without it, for a while, but reinstalled it. Can't really tell the difference to be honest.

The original HEBO headlight didn't have any modifications. In fact, it wasn't wired at all. Just loosely hanging from the forks by one strap and another broken strap. Wires were taped over on the ends.

https://drive.google.com/file/d/0Bxq...ew?usp=sharing I rode it to hell and back in this condition, knowing it needed some serious overhauling.

Sometimes, I wish I had stuck with the original style plastics.. it's currently wearing 07-11 fenders and subframe, with Marzocchi 50mm from a 2013. Still a very uncommon bike that gets a lot of questions.
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Old 03-26-2016, 06:29 PM
jostby jostby is offline
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ask anyone and they'll tell you these bikes came in all sorts of configurations back in that day. I bought mine new. From following the original Smackover forum, then this one, the XC is "mostly" as I described.
BTW, finally adding some photos to the "new plastic on older bikes" thread
http://www.gasgasrider.org/forum/sho...237#post165237
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jeff

'00 XC250 (mine)
LTS front and rear suspension, power valve cover, carb jet kit and rear chain glide, RB Designs head mod, BRP tall triple clamp, backyard foot-peg lowering conversion.
'04 EC250 (the kids)
(he can do his own mods haha!)
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Old 03-26-2016, 11:36 PM
GGRider01 GGRider01 is offline
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Definitely looks sharp! I kind of miss my 2k2 flywheel for its snappiness but the the large diameter and extra weight of the 2k3 should help on the single track riding around here. Takes the fun out of riding around town, though.

It's weird how that almost looks "vintage" compared to modern styling on dirt bikes. They're all about sharp angular appearance, for whatever reason.
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