Everything posted by copemech
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270 engine strip down
Rods always have a bit of rocking and side to side play, should have no up-down and rotate smoothly. Venting the cover by removal or a 3mm drain hole is your option. Weight is optional and slows the revs. Sounds as though you need to get the rumbling loose mains an seals out and you will be OK, Very typical unless you find worse!
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Beta Suspension
"If they built a perfect bike, everyone would have it, but none could afford it!" And you can quote me on that!
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Dexron 111 aft in forks ?
I suspect ATF comes in closer to 10W in viscosity. Might make things a bit harsh in the newer forks, although some the old stuff seemed a bit more tuned for it! Primary reason it works in forks its the "anti foaming" agents in the mix. Doubt the "stictsion" properties the same.
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Beta Suspension
Well, it seems Nif and Livio are in harmony now at least. Seems to me that in accordance with Livio's post that you have discovered the limitations of the forks!(which I believe are the same as the Sherco later style Paioli) I have heard in the past that the Showa uses a superior valve system, yet unsure. The Zokes may be better as well, but to be honest, I am nott good enough nor wealthy enough for any of this to make a huge difference at the end of day. I set them and forget them , as I gotta ride what I brung, and in my testing of friends bikes, I found little difference launching a Mont off a 4ft rock at the end of a hard day, cannot comment on the Zokes, sure they are ok, which why I do not discount the Scorpa, which may have the best out there at this time. Feedback on the Rieger rear on the new gassres seems nill thusfar, but should be ok.
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Removing barel
You are about 16 years of age, right? (Houmour me here) Gasket cleaning normally requiere a razor blade(which you may not be familiar with) Single edge is preferred! Surfaces must be perfect, with no nicks or gouges! Repeat, do not nick the alli! Scrape backwards with the blade once the majority is off, to remove the rest. Surface perfectly smooth to toutch, no sealer required as the gasket does its job. No bodge inside engine either, stuff with rags to keep it out. Screw it up and you are done!
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2012 Gasser
Seems a bit odd, think I seen only one Sherco on the entry list. Betas aint too popular, nor gassers!
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Leaky Seals
Good thing we are not Scotchaneeze!
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Tank coating to protect against Ethanol damage
Well, although that is the first time I have heard of this tank problem on a Scorpa, anything is possible(no Scorps expert here)and quite honestly, I have seen worse things from the stuff. Makes me wonder if Mike or Ryan have any insight on this? Couple of good things, about the avgas, first, you are in a cooler climate and much less likely to have vapor lock issues, second, as the stuff loves you long time, you could buy a years supply and keep it in those new style cans that don't vent, as the shelf life seems rather indefinite. It is perfectly legal to use off road.
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2012 Gasser
Yea, them boys have skills! But at the same time, you watch some probably pretty good riders struggle like hell, kill the motors cause the ******* things won't stay running to get over a friggin rock and such. They are all over th place trying to control throttle and at the same time just ripping and tearing at the trail with little result. Nuts! After seeing first hand what these guys did to the trails at Muenster via two Redbull Last man standings, all I can say is I do not want to HAVE to ride that way. Seen them demolish a hill 100 ft wide, looked like a WWI bombscape, friggin idiots! Bottom line, I don't want one, not practicle other than MX or extreme enduro, and the things are a handfull on a normal trail!
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Tank coating to protect against Ethanol damage
The old fiberglass tanks(polyester resin) may be quickly eroded by the alcohol, but as far as I have heard, the plastic tanks do not have this issue and no reason to slosh them for liner deterioration. I fear this may create more problems due to poor bonding to the parent material. you may have a big FU here! clue: If you need a tail number to get avgas, just pick a small cessna or piper on the ramp with nice big numbers painted in it starting with N----! The stuff is not taxed for ON road vehicles, and is not really for our use, but does work, although it is blended for cooler temps than we use it.
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Leaky Seals
Next question: How fast does "rubber" deteoriate?
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Leaky Seals
I presume you are referring to fork seals since you mention crud and damage. I think they will last indefinitely if kept clean and there are no abrasive nicks on the tube to cut them. My '07 seals are original, but I use the "booties" to keep crud out, as the standard wipers are limited against mud.
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scorpa rear wheel alinement
Possible some of the Scorpa guys can post up an idea, but I need a pic cause I cannot recall exactly what they look like, other than possibly a bit different from some others.
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2012 Gasser
What is the weight on it? One thing I have thought of many times is just how (not only)tall, but massive these things are built as compared to light nimble trials machines. I have been known to smoke a few enduro riders in the tight knarly wood/rock sections.
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sherco 250 (03) is my stator dead
In my impression things go something like this: The basic components in stator are sealed and somewhat inert to water. I have seen then them run 1/4 full of water trapped in the cover. The hall effect sensors(which according to Steve is what generally fails) are solid state units and sealed. The wd40 does drive out moisture, and does seem relatively inert to the coil windings and such. Leaves something of a protective barier against corrosion and such. I would use air to blow out any excess and dry things a bit. I do not think WD is totally electrically inert, yet probably little difference here. So all said, trapped moisture in there and corrosion cannot be good, yet doubtful it will save a faulty hall sensor. You still want to try to insure your mag cover is either sealing properly(which few do), is inspected and cleaned regularly(after wash) or vented(or both the latter).
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Trials/Endurocross
Just look at the "crash value" not the cash value! Totally rad!
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sherco 250 (03) is my stator dead
The exchange stators from Chris are repaired/ rebuilt by Steve at motoplat UK I believe. Steve is highly respected and seems to have few problems. Chris does everyone a great service by keeping these things on hand and available for either use or testing. Otherwise, you can send yours off for testing, but you may have a couple weeks downtime. I am sure there ia some warranty period. New ones are too costly with little benifit over proper working unit..
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09 cabes replica fork oil volume?
The left fork on that year model holds 385ml from empty. If I gotta pull one down to change a seal anyway, is just seems easier to me to put 385 back in. The right (damper)side is different at 370, but you gotta remove the damper and pump it dry to get all the old oil out or you will have a problem.
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sherco 250 (03) is my stator dead
- 2012 Gasser
Bit like looking at a 21 year old Spanish girl ain't it? Lots of fire, runs like hell for a bit, cannae keep up anyway! I liked the look of the one with the 4RT motor in the enduro frame Mont.- 2012 Gasser
Beta and Sherco have them too! They all look the Mutts! I think 2T still rules, but I have found no real joy riding these tall tweaky bikes on trails and such, nor the 4T's for that matter. They are full race, and I don't wanna race all the friggin time.- scorpa smoking
Nix that and go back to 80:1. Excess oil does not help things seat in.- Gas Gas/Sherco/Beta 200cc? Help
Historically, the Beta has been the only true 200, at about 199cc. Smooth aith good torque seems not much on the top. Has some real guts to it! Gasser (Pro) is like 173cc and does well, probably a bit more peppy on top, good runner! Sherco smooth throughout, bet seemed a bit lacking at 163 or so cc. Same for old TXT gassers. Problem with all this is you cannot get the lazy mans torque(315 Mont) out of the lot! No replacement for displacement!- Evo-play in linkage
There is allways some slack in a linkage, even off new. You are still well advised to insure the bearings are overpacked with good greast and everything is tight with the nuts and bolts(entire bike).- sherco 250 (03) is my stator dead
I shall try to ease your pain a bit, but not too much. In a quick read through your report, I did not see that you had checked the earth on the CDI, which must be tight and clean, or eliminated the kill button/switch, which could be shorted. Other than that, contact Splatshop Chris for component parts to swap(CDI and stator)to isolate the problem. I think '03 was the split year for ignitions and it could be Ducati or Leonelli, so you may need to remove the flywheel cover to see what you got. The Ducati was clearly marked as I recall on the rotor. The early Leonelli was the one with no timing index marks and required some odd adjustment with a timing pin, so in this case be careful to note original stator plate position to go back the exact same if possible. I have never heard of a recall on this side of the pond, nor the forums, but? Isolation using a meter has been historically iffy and poor, as we have no real way of dynamic testing these things in the field. - 2012 Gasser