[Face Protection]

MTB helmets are evoluting in almost daily bases....trial helmets are the same over the years....maybe is time to change....

[Whatever happened to the side-valve Gasser project?]

Very small motor but it was underpowered comparing with others 4t

[Engine Flush]

Cheap ATF oil. Change it after it get white or pink

[How to tell if a bike is a 125 or 250]

Rear sprocket size will be a good start point

[Bike heating]

Leonelli has a light indicator fot engine temperature. Help a lot if you are cruising on open trails/roads since trials bikes suffer from this kind of ride.

[Carrying extra fuel!]

TXT owners can replace their tank with the contact one that hold one extra liter.

I use the Hebo 1l auxiliary front tank an love. I can't feel it.

https://www.instagram.com/p/Ck6FKa8uefG/?igshid=YmMyMTA2M2Y=

[Steering head bearings]

For lower bearing, best find someone with a press. It need 3 to 6 ton to move. See process here:

https://flic.kr/p/2jhxS16

Or you can cut the bearing with a dremel. Be carefull to not damage the stem

Or you can weld some scrap metal to the beaging race and hammer it while hot. 

Any method, take care of the threads on stem.

Outer races go out easily with a long chisel.

[2020 front wheel bearings - help]

This practice (removing bearing with a drift off center) move bearing crocked what on long therm enlarge hub diameter.

Jitsie make a wheel bearing extractor that solve this issue and is able to remove Rear wheel bearing since spacer id is smaller than bearing id.

 

[Fork oil question]

If your scorpa has tech forks: 

 

[2017 Sherco st 300]

This spark plug look too white (learn) for me. Brown ir the gold spot.

Had this spark plug for how long? If you rode few hours with this one, you need bigger jets. 

[gloves]

Mechanix gloves work too

[Retarding the engine.]

To retard the timming, you need to rotate de plate same direction flywheel rotates.

Flywheel nut is veery tight. You will need a impact wrench. Mark nut and axle with a chisel. So, you will know how much you should tighten on reasembly to keep same tension.

Lack of torque in this nut can cause sheared key

[Montesa 4ride or equivalent?]

You need a TRS X track

https://trsmotorcycles.com/motocicleta47_trrs-xtrack-one-2021-new

 

[Too Much Gearbox Oil?]

The oil my ST had less drag was with motul transoil.

 

[What kind of clutch oil should I use?]

In fact it is not the cap that is green. The rubber under the cap that is green when mineral oil is used. (Mostly)

You can double check with a drop in water:

1 dot oil mix well with water and turn white.

2 mineral oil floats

[Sherco/Scorpa 2012 vs 2017]

If you know nothing about motorcycles, go to the less risk and buy the newer.

[Spark plug life & failure]

Main plug failture root cause is rich carb

[rear shock]

Bought from parker store downtown.

Others seal and hydraulic gasket stories can have these seals too.

 

[primary drive noise updated]

Seems ok to me.

If it is normal, sound should keep average the same as time goes

If there a problem, it probably will get worst and worst.

So, give bike a good ride, have fun and hope everything will be fine

[rear shock]

No misteries rebuilding these standard shocks

 

[Stupid question time:]

Kerosene is greath for filter cleaning

[90 degree grinder for porting ?]

Had you looked at dremel 90 degree attachment?

[Please help, 290 crank nut remove]

Mark the nut and axle relative position first.

Than remove nut with a impact gun

Change seal

Reinstall nut with impact gun untill marks realign again.

This way proper tigtening is garanted

[2021 GP models?]

there was some rumors about aluminium frame....

 

[Tech fork installation]

This weight is a personal preference and you can experiment what work better