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Topics - MarcoTwoStroke300

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News / Sherco 2018 tall guy mods
« on: May 11, 2018, 10:49:56 PM »
How made some changes for being a little tall for the bike?
I'm 193cm and don't feel 100% comforts on the bike.
The factory has already the 2cm taller seat but it feels like the footpegs are much to high.
I changed them for 0.5cm lower ones but it isn't enough.
Also raised the bars 2cm
How of the tall people made some changes that worked?

Sherco Tech / Strange noise of iddle sherco 300 factory 2018
« on: April 22, 2018, 10:42:20 AM »
I have this new factory 2018 edition with the newer two stroke engine the 300.
I have this strange noise off iddle wenn driven and when I shift gears. It's a bogging noise no detination but like bok bok bok.
Most two strokes has this only cold but my bike also has it hot.
I tried little pilot jets needles with larger starting diameter.
When it's lean it's less making this bogging noise but it still does also lean.
I ride at below sea level only and with nozd needle and 42 idle jet and 172main.
I used motul 800 and changed this morning to motul 710.
I have also a lot of spooge that's also strange
Its running a little better cleaner with the 710
But still this bog noise off iddle when driving at low speeds.
I can feel the crankshaft hurting with this noise.
Maybe someone has a idee what it could be and what I could try to change it

Orherwises the factory 300 is super

Sherco Tech / 2018 models new powervalve left side????
« on: January 24, 2018, 12:34:01 PM »
I have seen on the picture from the 2018 models that they have a new powervalve assembly like the 125 with the drum i think.
Nowere they talked about this part but as you can see on the picture the powervalve cables are on the left side.

Somebody has some news about this?

News / 2018 factory editions available
« on: January 19, 2018, 03:00:45 AM »
The factory editions are now available and I bought one

Sherco Tech / Powervalve springs
« on: October 27, 2017, 10:13:46 AM »

Im building my bike togheter after a check off the cilinder powervalve etc.
I was adjusting the powervalve and have seen that the second spring is thin almost snapped.
How can i change this spring?
Do i have to take the cilinder of and the powervalve system?
Maybe someone replaced this sptings allready
Also i will replace the litte latch etc.

Sherco Tech / Powervalve opens to late at high rpm
« on: October 10, 2017, 08:05:27 AM »

I have some problems with the powervalve
Firts i was thinking about the jetting and coudnt get it perfectly
But the powervalve is the problem
It opens at 8000rpm i have no low power and at 8000 its becomes strong
Has anyone an idee
Cabels ar new
Powervalve is working well
I heard of cable harness problems but coudnt find some.
At a day i heard the servomotor making some noises
The bike was not running and the servomotor was zz zzz zzt zzt
We go next week on a trip with this bike and im in stress now
Hope someone had the samme issue

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