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-   -   2018 tech tips and tricks. (http://www.gasgasrider.org/forum/showthread.php?t=23495)

gasgasman 10-07-2018 07:44 PM

Two finger shorty clutch lever.
Pic is wrong. Just lever in the package.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

Gasser Nate 06-19-2019 06:07 PM

They are 1-1/8 stock matey.

preston953 10-05-2019 11:23 PM

First time Gasgas owner
 
Hi Follks,
As the title says I'm a first time Gasgas owner as of a week ago. I grew up on Ossas and friends had Bultacos and Montesas (yes I'm that OLD lol), so the thought of a Spanish bike in the garage is exciting. I decided to look at a Gasgas after riding KTM's for several years and then the last couple riding a YZ 250 X (love it, it just inspires confidence) Somewhere in the back of my brain I kept thinking, wouldn't it be nice to have KYB suspension and still have a euro built machine? Enter the used 2018 Gasgas 250 XC. I had been speaking to a guy in the Pittsburg area about a GP 300 and then he stopped communicating and I saw it marked as sold (good for him). A couple months later along came the bike I ended up buying. I've just got a couple test rides on it and nothing too hard (Bow season just opened and the hunters deserve their time in the woods also), but boy what a hot rod!! That motor rips. Of course it's not all smiles and high fives. The electric starer (should be called the electric non starter) doesn't work at all when cold and works sometimes when it feels like it when warm. Reading all the post about this well known problem has me shaking my head, but hopefully I can work it out by myself or with Mattos Cycles about three hours away :eek: The previous owner told me he had the ECU reflashed and REGROUND the starter, but he didn't say if he installed the heavier gauge cables? Does anyone have a link to the original service bulletin? In my experience, sometimes people will pass on info that turns out to be completely different than the originally directed action.
Anyways I'm looking forward to learning about this new machine. :)
Thanks for your time
Preston

Pygmygod 10-06-2019 06:48 AM

Dunno if this thread helps:

http://www.gasgasrider.org/forum/showthread.php?t=23150

preston953 10-06-2019 07:13 PM

Thank you

preston953 04-27-2020 09:40 PM

So after an odd somewhat frustrating odyssey trying to get the electric starter to work consistently, Bud at Matto Cycle suspects the CDI is failing. Unfortunately the 2018 250 XC CDI is on backorder.........Does anyone know if the 2019 250 XC CDI can be used as a replacement? Bare bones summary for the curious. Took the bike to Bud @ Mattos. He did the updates and reground everything, electric starter WORKED!!!............for almost a week, then started returning to intermittent functioning. The day I picked it up it fired up on the button 3 times, no problem. 1st ride at home it worked once warm. Every ride since then it has failed to start on the button more and more till last ride, it was back to not starting on the button hot or cold, spins plenty fast, just doesn't start. Thanks in advance :)

farmerj 11-03-2020 10:56 PM

3 Attachment(s)
I liked the stock silencer, but needed a spark arrestor. This ProCircuit screen fits perfectly inside the stock unit, and is USDA approved. However - that fact is not stamped on the unit (and may be a requirement in your riding area).

Drill a couple of holes and add screws to fasten the screen to the exhaust, and you're good to go!

Jeff

Part no. PC4000-004, $19.95.

Attachment 8922

Attachment 8923

Attachment 8924

5valve 04-05-2021 09:49 AM

Rear spokes need retightening, already mentioned.
My case was, 9 spokes locked up, previous owner neglect. Whole spoke was turning.
Liberal heating the nipples with torch, while holding the spokes with grip locking pliers, they could be freed and tightened.
2 were really nasty, so removed completely, cleaned treads, anti seize compound, an it was all set.


Starter motor clicking, even with Lion battery, increased cabling and fine tuning the bendix rotation.
Disassemble the motor, clean thorougly, apply new heat resistant grease to needle bearing and bushing.
Put the rotor in table drill, give it a spin and use sandpaper, to clean the brush contact area (comutator). It should be smooth and shiny.
Be sure to remove possible contact particles between individual comutator contacts. Use stanley type knife.
Recommend doing this every 10-20 hrs, depending on starting volume and water penetration. Check brushes also.


Disconnect lower shock and linkage forks. Check for free movement of "L" linkage. Mine was binding a lot, bearings were intact and lubed.
Removed 0.9mm distancing shim. They are on both sides of the bushing, one was enough. Movement completely free and still a tight fit, without free play.


New style plastics won't fall away, since they now use a tab on the rear of both side number covers in combination with rear fender.


If riding tight enduro, remove the light switch, if you have enduro rotating type, and place it freely behind the front mask, use some zip ties. Its quite costly to replace at 70?.


Using plastic swingarm protector might do more bad than good if riding wet, muddy conditions. Only useful for dry rocky aplication.


Clean air filter regularly, a no brainer, and make sure to heat up the bike properly, or piston will be slapping a lot sooner than needed, due to uneven expansion of piston to cylinder. I'm replacing A piston @ 60hrs, worn to 71.88 (from 71.94). Luckily, cylinder could be polished to former glory with no excessive wear. Previous owner neglect, might I add.


Cylinder gasket, the metal one, 0.5mm, can be reused. Just degrease it, dry it and apply heat resistant spray to both sides. Once heated up, it will bond and seal. Its a hurry up solution, working flawlessly. Use new, if not in a hurry or parts available.

swazi_matt 04-05-2021 02:48 PM

"Using plastic swingarm protector might do more bad than good if riding wet, muddy conditions. Only useful for dry rocky aplication"

I used a plastic swingarm protector for about 9 years and never took it off, but i did put a liberal amount of duct tape on the swingarm before putting the protector on. Took a while to remove the glue, but other than that the swingarm was still like new (except where i had actually worn through the guard)

5valve 04-07-2021 01:13 PM

1 Attachment(s)
Added orings behind seals on swingarm. Enough space, inner bearings needed just a little push inwards.
Its hard to source correct seals, but still easier than ordering OEM in these times.


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