All Activity

You can't find the manual here? https://www.sherco.com/en/download-documentation/manuals

Found the seals, got both the pullers and managed to take out both the flywheel and the cush drive on my test-engine (Explorer, partially seized). I'll do the same on the good engine as soon as possible.

Thank you!

A bike is what it is and then you change it to how you prefer it to be using different parts such as bars or foot rests etc and if you cannot get it to feel right no matter what you change then the only thing you can do is try another make of bike. IMO asking someone else is not helpful because everyone has different preferences.

Hello everyone. My first post on a forum. I'm pleased to find you here. I have recently purchased a Sherco 290 x-ride. The bike was 2017 m.y, stored, never used, no mileage on clock. So I got it assembled and completed. We didn't touch oils and fluids at first, just doublecheck, it was there. So, somehow we ended up with a cold seizure. It happened instantly. So, I bought a used cylinder and barrel from the UK, with decent condition, and now I'm on a second run to try to get it run. But, I'm already scared enough and don't want to do anything stupid again. I also found out there was no fluid in the hydraulic clutch. I have no specifications for: Jetting settings for keihin 28 mm carb, Data for fluids for hydraulic clutch and ext, Oil specs for gearbox, Engine tolerances to double check measurements (cylinder gap, ring gap, squish). Also a new cylinder came w/o cutouts on the barrel for small O rings and I'm going to use brass O rings on top of the head to prevent coolant leak, Don't know coolant specifications either, Going to try 50:1 mixture fuel to oil.

It's to prepare the cylinder surface for the new piston & rings plus it helps with lubrication They are given a hone before their first use with a diamond stones hone, most good mechanics have 1 in their assortment of tools .

A 125 would work well, they have enough bottom end to pull away without having to use the clutch excessively and as she progresses the 125 is more than capable when you start exploiting the power at the top of the RPM. 125’s enjoy been ridden hard, if she’s confident with throttle, clutch and brake timings a 125 is a lot of fun. I enjoy riding my lads Gas Gas 125, it’s highly manoeuvrable and a lot lighter than the Mont. It only lacks power on the really big stuff. The 200cc bikes do tend to ride more like a 250 than a 125, a little more flywheel and inertia keeps everything moving forward a little easier.

One way to judge piston ring seal without pulling much apart is to inspect the cylinder wall via the exhaust port or the plug hole, looking for dark areas (carbon). Carbon on the walls indicates piston ring blowby. Be aware that trials two strokes nowadays commonly suffer from having the rings stuck in their grooves by gum and carbon. This can happen quite quickly depending on how the bike is ridden, the type of premix oil and how well the bike is jetted.

TRS sells electric start 250 and 300 two strokes and they are very popular.

The ball and spring can be installed or removed with the engine assembled

A friend ride a Repsol, the first thing I notice when I test rode it was how short it was compared with my 2015 Sherco, when I checked the specs, I only found a 20mm difference in the wheelbase. I think that wheelbase is only one of many things that make the '' feeling '' we have on a bike Guy

I’d suggest something like the Beta EVO 80 Sr. Your wife is petite and with little experience. The smaller frame and lighter bike would be easier for her to handle. It’s also a lot less expensive. You can always go bigger if she ends up liking it. A bigger bike could easily discourage her. It will work great at higher elevations with the correct jetting.

Dragonfly 👍

I recently picked up an 04 GasGas TxtPro Raga 300 and am interested in finding one for my wife as well. Trouble is, she's petite - 5'-2" and 120lbs. Good shape but not the strongest. She can't even kick my 300 over. I'm interested in picking up a smaller bike for her that might be easier for her to start. We live at 5,000ft elevation and could ride as high as 10,000ft. Would a 125 have too little power, especially considering our elevation? I'm leaning towards a 200 because although she's a decent rider, I don't want her overwhelmed with all the clutching a 125 might require. The main benefit I see with the 125 is I imagine it would be easier to kick over.

Well I don't know about the 1cm difference, but the gasgas feels like a much bigger bike, I have both bikes. Rake, head angle etc will effect reach. I guess my question was only aimed at people that have first hand experience with the new 23+ gasgas vs other bikes as I initially asked, no real reason to analyze dimensions too much - Like I dont know why link a long video that analyzes pictures (obviously those bikes will have different sag in whatever pics he grabbed) thats talking about a 2020 gasgas/sherco etc, when clearly I have a different generation of this bike. I appreciate trying to help but this isnt helping

Hi, The ball and the spring for the shift cam can be installed through the threaded hole when the cases are put together? or only when the cases are split? (the cases are currently split, and there actually no ball, just spring) Part number: 93505-16006 (#6 in the attached picture) thanks

Forgot to mention something very important. The amount of preload on the suspension springs affects the unladen sag. This can change some dimensions noticeably. When I use photogrammetry for such measurements, I make sure the suspension is topped out at both ends. This obviously does not represent real world conditions, but it makes for consistent measurements between bikes.

A lot of factors go into making an accurate compression test. A few things to think about: Compression must be tested with the throttle held wide open. I usually keep kicking until the gauge stop rising. This can often be a dozen kicks. The spark plug adapter you use can make a big difference if it increases the combustion chamber volume appreciably. For example, using a short-reach adapter in a long reach plug hole gives inaccurate (low) readings. If the piston crown and/or combustion chamber has a large about of carbon buildup, this will increase the reading. Smaller cylinders tend to have higher cranking pressure than larger ones. The barometric pressure (altitude) will affect the exact number. A hot motor will make more cranking pressure than a cold motor. Oily cylinders tend to make more pressure than dry ones due to a better ring seal. There are other factors too.

I have not yet watched this 50-minute video on trials bike chassis geometry, but at about 4.5 minutes he touches on the 2023 GasGas versus Sherco. https://youtu.be/skK-R6nT4eM After watching as much of this as I can stand (about 30 minutes) I'll throw out the following for your consideration: 1. The analysis is made in real time. I would have preferred it be made off-line and just the findings reported. 2. The analysis assumes perfect scaling of the photos. Although the scaling may be “good”, sometimes you are looking for subtle differences between the bikes. 3. The reviewer is a big guy (250 pounds = 113 kilograms) and I expect this skews his riding impressions. 4. Similarly, the reviewer seems like more a trail rider than a competition rider. I think a better method would be to take the same photos and use a free photogrammetry tool like https://eleif.net/photomeasure That, and a known wheelbase, would allow you to make comparative measurements of various points on the bikes and enter all the data into a spreadsheet.

How much longer is the wheelbase? EDIT: I just read this in the 2023 TXT owner's manual: Wheelbase 1,320 ± 10 mm (51.97 ± 0.39 in)

well, I guess I should say that I like having the bars somewhat a bit forward of neutral as it helps with leverage over front end... bar risers and taller bars generally shift the leverage point/. Also 23+ the gasgas comes with pretty tall bars as they triple clamp height and mount is somewhat lower that what you usually see on trials. I should clarify a bit - I guess I was inquiring moreso to the overall impression of others of this 23+ gasgas as compared to other brands - the wheelbase is longer for the bike than a couple of other trials bikes I have been on and by extension the reach is longer - swingarm to pegs seems the same as most trials bikes (about 40cm iirc)

I agree with lemur. But in addition, just rotating the bars fore/aft can have a big effect. A set of “bar risers” is also a possibility.

Reach implies arm position so height and position of your bars is where you would adjust for reach, a set of taller bars aka 'indoor bars' is a good investment and will fit both bikes, had them on one of 2 rides and it makes a surprising difference in leverage and riding position.