Author Topic: Heavier Spring experiment 21' 300 SE  (Read 943 times)

Sfade

  • Intermediate
  • ***
  • Posts: 177
    • View Profile
    • Email
Heavier Spring experiment 21' 300 SE
« on: November 29, 2021, 11:06:42 PM »
 I am 160lbs before gear and fall into the suggested range.  No issues with getting sag correct on the rear and about 25% front race sage up front so about right.  Compared to my other bike I always feel like I'm riding low in the travel and hanging out in the midstroke when I should still be in the upper portion of travel.  You don't know what you don't know so I ordered springs from Racetech.

Stock Front .42kg     New .43kg
Stock Rear  .51kg     New .52kg

Will report back in a few weeks with what I think. 
2021 Sherco 300 SE Factory
2020 Sherco 300 SEF Factory (Supermoto)
2019 KTM 250XC

alang

  • Vet
  • *****
  • Posts: 694
    • View Profile
    • Email
Re: Heavier Spring experiment 21' 300 SE
« Reply #1 on: November 30, 2021, 05:36:57 AM »
Will be hard to tell the difference.
I think
2022 Sherco 300 2T Factory
2016 Aprilia Tuono 1100 Factory
2019 Santa Cruz Tallboy Carbon R
Azle, Texas

Sfade

  • Intermediate
  • ***
  • Posts: 177
    • View Profile
    • Email
Re: Heavier Spring experiment 21' 300 SE
« Reply #2 on: November 30, 2021, 09:53:36 AM »
Probably right but I have to see for myself.  I am looking for the very slightest gain in holdup and I am very sensitive to to suspension feel. 
2021 Sherco 300 SE Factory
2020 Sherco 300 SEF Factory (Supermoto)
2019 KTM 250XC

LumberJeff

  • Novice
  • *
  • Posts: 27
    • View Profile
    • Email
Re: Heavier Spring experiment 21' 300 SE
« Reply #3 on: December 01, 2021, 12:45:45 AM »
You might try these as well.
LSV - Lo-Speed Compression Valve

LSV Compression Holders allow a Valve Stack to be added to the Lo-Speed Compression Adjuster Circuit. This is a must for SX, Arenacross and Freestyle but is also useful for MX. It holds the front end up higher in the stroke.



Sent from my SM-G986U using Tapatalk


alang

  • Vet
  • *****
  • Posts: 694
    • View Profile
    • Email
Re: Heavier Spring experiment 21' 300 SE
« Reply #4 on: December 01, 2021, 06:38:07 PM »
Add preload?
2022 Sherco 300 2T Factory
2016 Aprilia Tuono 1100 Factory
2019 Santa Cruz Tallboy Carbon R
Azle, Texas

Sfade

  • Intermediate
  • ***
  • Posts: 177
    • View Profile
    • Email
Re: Heavier Spring experiment 21' 300 SE
« Reply #5 on: December 02, 2021, 10:57:19 AM »
Preload doesn't change the rate at which the spring is compressed--only initial sag/stance.

I was wrong about the stock spring rates and had to correct my order.  The manual I got with my bike was not correct.  Their online shop manual showed different front rate.  I didn't go by Racetech recommendations as they were about 4 and 5 rates higher than stock. 
2021 Sherco 300 SE Factory
2020 Sherco 300 SEF Factory (Supermoto)
2019 KTM 250XC

TTBadDog

  • Junior
  • **
  • Posts: 58
    • View Profile
Re: Heavier Spring experiment 21' 300 SE
« Reply #6 on: December 03, 2021, 03:35:25 AM »
https://thumpertalk.com/forums/topic/1382916-sherco-kyb-shock-high-speed-adjustment-useless/?tab=comments#comment-16369388

SFade, had you looked into this?

I would like to see someone pursue adding the HS so there is adjustability.
2022 250 SE Factory

Sfade

  • Intermediate
  • ***
  • Posts: 177
    • View Profile
    • Email
Re: Heavier Spring experiment 21' 300 SE
« Reply #7 on: December 15, 2021, 09:28:57 AM »


My experiment with re-springing with slightly stiffer springs did not work out.  Too stiff and bad ride.  Although I went one rate below Racetech's recommendation for the type of riding I do, it was not good.  Just too stiff for my weight and no amount of damping helped.  So, I put the stock springs back in forks and shock but added 3mm preload spacers to forks for a tad more hold up with static sag.  I changed fork and shock fluids (shock was a messy job).  Now I know.   

I guess I will post up a 52 rear and 43 front Racetech springs for sale on Ebay here this week. 
2021 Sherco 300 SE Factory
2020 Sherco 300 SEF Factory (Supermoto)
2019 KTM 250XC

TTBadDog

  • Junior
  • **
  • Posts: 58
    • View Profile
Re: Heavier Spring experiment 21' 300 SE
« Reply #8 on: December 15, 2021, 04:46:34 PM »
I was hoping someone would look into adding some HS damping to the rear shock as per post a few back with a link. Very curious why Sherco elected to (if they did) to bypass the HS rear settings.
2022 250 SE Factory

LumberJeff

  • Novice
  • *
  • Posts: 27
    • View Profile
    • Email
Re: Heavier Spring experiment 21' 300 SE
« Reply #9 on: December 17, 2021, 09:18:53 AM »
I was at Race Tech in October and they had multiple Shercos in the shop and I personally watched them take one apart. They said they would be looking into it. Give them a call and see what they think. While your at it bug them to update the information on their site to include the 2022 models.

TTBadDog

  • Junior
  • **
  • Posts: 58
    • View Profile
Re: Heavier Spring experiment 21' 300 SE
« Reply #10 on: December 18, 2021, 05:46:10 AM »
Will do, having an issue with rear shock. Could be PEBHAT  but I think a tad more HS damping might settle it in. Where I ride we have a LOT of down trees and ledge of 3 to 8 inch size or so. I like to wheelie over them front wheel slightly elevated to keep wheel close to ground for steering and braking. Unless I carry the wheel higher than I like the rear wheel ltends to kick up (more than my KTM200). Dialing in a little more rebound damping helped but altered other areas. Airing down rear tire helped as well. This is with the as shipped Mich 140/80 rear which may be part of my issue. It is very bouncy compared to a stiffer carcass tire which gives a more "dead" feel. I am on Tubliss and typically run lower pressures. I will see what my IRC VE33S does.
PEBSAT
(Problem Exist Between Helmet and Throttle)
2022 250 SE Factory

Sfade

  • Intermediate
  • ***
  • Posts: 177
    • View Profile
    • Email
Re: Heavier Spring experiment 21' 300 SE
« Reply #11 on: December 27, 2021, 06:58:46 AM »
I don't personally feel the need for the HSC damping.  The circuits blend and it seems to work well for my weight and corresponding spring weight.  The shock feels much better now with some fresh KYB K2C oil in it.  I know on my Fox X2 mtbike rear shock I talked to Vorsprung (mtb suspension specialists) and they told me to fully close my HSC and just use the LSC to adjust as the circuits bleed over and it would be easier to tune this way...based on that particular shock.  Maybe this was Technical Touch's thought process with the Sherco and leverage curves etc...??
2021 Sherco 300 SE Factory
2020 Sherco 300 SEF Factory (Supermoto)
2019 KTM 250XC