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Messages - david.bergen

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Sherco Tech / Re: 125 (200) 2st versus 250 4st
« on: April 20, 2019, 01:44:17 PM »
Thank you for the info.
Didnít bring the mileage in, comparing the bikes.
Good point.

Sherco Tech / Re: Jetting Confusion - 2019 SC250 Factory 2 stroke
« on: April 13, 2019, 11:43:05 AM »
That's on my rr250 racing.
Same Keihin carb on it ... mate uses the same jetting with the Keihin on his Te250 when he removed the difficult Mikuni on it...he is no longer worried about the correct jetting.
300 cc bikes seems to like the necj needle better....

General Discussion / Re: Im New to Sherco's
« on: April 13, 2019, 11:36:17 AM »
Can you explain the difference between the bikes a bit? I am also considering the change to the 4st . ( sefr 250)
At the moment also on a rr250 racing my 2016

Hey all, as above im new to Sherco's,
Ive got a 300 SEF-R 300 2018 Six days, bought with 12 hrs on it.
now it has 42hrs, pervious owner got injured so couldn't ride it.

Ive moved from a Beta 300 2T racing edition, all I can say is wow what a great move, 2T to 4T took a bit of getting use to, engine breaking takes some getting use to also, & a MAP Switch that works well!.

Anyway I need some help with some thing please, I do basic maintenance, when do I need to get maintenance on the engine done approx hrs? I'm only doing trail riding, and what maintenance do I need get done! im doing the air filter ever other ride, oil at 25 hrs, just done the spark plug at 38 hrs, but nothing else.

Add ons, I need a fan kit, radiator protectors, and a exhaust front pipe protector its got a full akrapovic exhaust I've already put a dent it in, I would prefer to buy in the UK but I don't mind buying from another country, Im asking on here because you guys have probably done all the tests what works and what doesn't work.

Thanks Gary

Sherco Tech / Re: Rear tire size
« on: April 13, 2019, 11:31:45 AM »
I also use the ef07 green in 140/80-18 with the Michelin m14 bib mousse .
Even when the lugs are fairly used you still get very good grip.
Front tire are all fatty style.
Like the starcross soft 90/100-21 and the c19 yellow 90/100-21

Sherco Tech / 125 (200) 2st versus 250 4st
« on: April 13, 2019, 11:25:19 AM »
I have been waiting for Sherco to release the big bore kit for the 125 but helas still no info.
Some dealers tell me Sherco is working on a 200 cc but no info when or if it's going to be released...
Now I had a ride on a friends Ktm 250 4 st and liked it a lot. At the moment I ride a 250 2st but feel the power is to much for me. ( almost never keep it pinned for some time ...)
Is there a comparison between the two Sherco's pro and con's especially on the weight feeling?
I am a small , light (1.67 m and 64 kg) rider so would feel fine on the 125 class of bikes but I was so impressed by the orange 250 smoothnes and easy riding , that I don't rule out the small 4 st.
The Kyb suspension on the 4 st would make it even a sweeter deal...

Sherco Tech / 200 Rumors
« on: April 13, 2019, 11:11:23 AM »
I keep hearing Sherco is working on a 200cc bike.
Do you have more info on it...?

Sherco Tech / Re: weight of 300sef 2018
« on: April 13, 2019, 11:09:14 AM »
Put the front and rear wheel on the bathroom scale.
That will give you a comparable weight. For a more correct weight you should make a spacer the same height as the scale to put under opposite wheel. ( ps Good use for the wifes reading books 😉)

Sherco Tech / Re: Jetting Confusion - 2019 SC250 Factory 2 stroke
« on: April 09, 2019, 12:57:57 PM »
sea level 20 įC euro 98 fuell at 2% mix

Nedw needle middle clip
165 main 38 pilot As betwee 3/4 turn and 2 turns out depending on the temp

The Necj needle is to lean like the Nedw better


Two things stuck out here for me:
Why compare weight with tank full of fuel?  A bike with a bigger tank gets a sort of "penalty" when it really is more race ready.
You think Nissan brakes are better than Brembo? Brembos squeal like a pig but they're really strong!
That's the way the bikes were weighted...because most people take the bike filled up to the woods
Brembo's are great for my use as are the Nissin. For my driving style it won't matter ...
I completely agree about the suspension. Sherco has the better one and also better stability...
I am still waiting for testing the Sherco 125 with the Kyb suspension ....should give and even better suspension ...

Comparing the Sherco 125 ser versus the Beta 125

Sherco 109,1 kg complete fuelled 10,4 l elec starter, seat height 950mm
Beta 101,5 kg complete fuelled up 8,5 l no electric starter, seat height 930mm
Beta ripped on top, Sherco has more bottom end.
Sherco has firmer-better suspension setup giving the bike a more stable setup.
Beta has the better brakes.
Both bikes are at the top off the 125 class but the Sherco is the new reference
at the moment.

General Discussion / Big bore kit
« on: September 26, 2018, 01:12:46 PM »
Hi Clay,
Is there an update on the big bore kit for the 125 cc ?

General Discussion / Re: KYB info needed
« on: June 29, 2018, 10:31:01 AM »
The European Kayaba distributer is located in Belgium.
I read they had a hand in helping setting up the new Sherco suspension.
Maybe you can give them an email.

General Discussion / Re: Big Bore for the 125
« on: June 24, 2018, 03:33:16 PM »
I asked the Dutch firm VHM about a big bore kit for the Sherco.
They said they don't have parts for Sherco and at this moment aren't developing them.
Maybe they'll change their mind when they get some emails .....

General Discussion / Re: Big bore kit for 125
« on: May 28, 2018, 11:49:21 PM »
Piston in combination with different mapping and carb setting should result in +4 HP
Asked for more info and will post when I know more.

General Discussion / Big bore kit for 125
« on: May 28, 2018, 01:38:07 AM »
Is there news on the big bore kit ?
When talked to some insiders at Sherco , they told me there were no plans for it ?
Seems they have a special piston kit for some extra power (higher rpm ????)
It would be my dream bike if it could be a bit torqier for the slow technical riding.
As a plain 125 if works very well compared to other 125 bikes but if you ride it after the xcw 150 or te 150 you know what we are talking about. Didn't know only 20 cc made this difference.


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