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  1. Dynamo^Joe

    Clutching for 2700 engagement speed is Mint (for most people)

    Start engine Slowly rev engine up to you see the slide sheave touch the drive belt. The slide sheave should touch the drive belt at 2700 rpms. The sheave ever so gently pushes on the belt till you see around 28~2900 and the sled starts to move. …should be around there, depends on how grippy the...
  2. Dynamo^Joe

    Ski Doo 850 Turbo Overreving....add clutch flyweight grams

    . Pete... here you go. Get these pDrive spacer weights. 1 ring of 6 pcs of 2mm spacer weights @ 1.2grams each. Add 1 spacer for every 200 rpms over revving. IF you're overrevving at 8100 rpms and need 7900, then add 1 spacer on each bolt. The new weight should push engine speed down to...
  3. Dynamo^Joe

    19-53 fits MINT in T3 XM 154~174 chaincase...

    ---------------------------------------------------------------- From: Alex To: joe Subject: RE: GEARING 174 154T3 @ 21-49 [2.33]112p chain 163T3 @ 21-51 [2.42]112p chain 175T3 @ 19-49 [2.57]112p chain .............19-53 [2.78] YO JOE, Grabbed a 53 tooth gear for $70 and found a 112P Chain...
  4. Dynamo^Joe

    19-53 fits MINT in T3 153~174 chaincase...

    oops wrong forum... please delete
  5. Dynamo^Joe

    Ski Doo 850 Turbo clutch changes 20.5 v 21 (and misc tuning)

    Chris) Joe was just wondering if you could start up a thread sharing the clutch changes for the 2021 turbo sleds and how it will effect performance VS clutch kits over the 2020 models. As well it seems there is an array of new clutch arms, what does all that mean for users and clutch kit...
  6. Dynamo^Joe

    New Dalton pDrive primary spring (100-360)

    New Dalton pDrive primary spring (100-360) I wrote a small story on my website... https://www.ibackshift.com/comersus/store/comersus_viewItem.asp?idProduct=137 Over the last 2 seasons with the help of Dalton we been testing different spring forces, test guys verifying their performance, I made...
  7. Dynamo^Joe

    GRANDE PRARIE - Anyone work on sleds "skidoo" in particular? (not dealer fk sakes)

    GRANDE PRARIE - Anyone work on sleds "skidoo" in particular? (not dealer fk sakes) I have a customer who I think has got jerked around by a local shop and fked up the pinweight (did not add any) and had to bring the sled back to the shop to check it and now i think they added too much. He's...
  8. Dynamo^Joe

    850 turbo 165 (stock clutch) vs Xpert 165 (iBackshift)

    Today we had some fun working for about 6 hours on the new 850 turbo sled. I been working on the clutching for a turbo for a few seasons now and wanted to see the fruits of it on the stock skidoo turbo 850 sled. Kinda had it about 90% setup already but wanted to vidya some of the last...
  9. Dynamo^Joe

    HELP - need to unlike a post dammit

    HEEEEELLLLLLLLLLP... I could not figure out how to click like on someone's post I wanted to like. I think i accidentally liked a daag44 post when i wanted to like a snochuk post. https://www.snowandmud.com/ski-doo-rev-gen-4-a/112116-proven-resolutions-g4-clutching-delema-3.html#post2391976 Can...
  10. Dynamo^Joe

    Clutching - Clutch - DJMR vs 413,415,441

    We have 25 sets of the DJMR-CLUTCH RAMPS in stock now! Not too happy changing up and down on the clickers with your 2007/2008 stock clutch model? These ramps provide the quick and stable rpms of a 415 (up to about 45 mph-72km/h trackspeed), and the push of a 441 when you are running higher...
  11. Dynamo^Joe

    XP- QRS installation & Maintenance videos

    Video done in parts (to fit in Youtube) about preventative maintenance on Skidoo TRA-7 & QRS secondary. Notice that this is not scripted nor professional - I just wing-it in these videos, slurping a beer between takes to loosen up and actually be able to talk without too much stage fright. I...
  12. Dynamo^Joe

    XP Gearing / Belt info

    XP Chain & Sprocket Chart @ Gear Calculator page XP Chain & Sprocket Chart @ Gearing Info page Drive belt application chart that has inches hand written in the measurement.
  13. Dynamo^Joe

    FT McMurray - Clutch kit installer?

    I get a lot of guys from Ft Mac who want a kit but don't have the tools to install. Is there a small shop or a local guy who is the "skidoo nutbar" that works out of his garage or whatnot that can install clutch kits? I know there is a Skidoo dealer Raven Truck Accessories Online in Ft Mac -...
  14. Dynamo^Joe

    NEW skidoo Q helix

    There might be a little delay - I may have to send them back, for some reason they don't exactly fit right in my secondary clutch.... ....They seem kinda sloppy to me. :rolling: . . . . Maybe there's something Im not seeing right. Even the tool don't seem to work properly - nothing to...
  15. Dynamo^Joe

    Rpms that are difficult to recover..."Summit's

    If you get rpms that are difficult to recover when cycling the throttle... Then Test and pick the clicker you like the best... Look at helix finish angle, what is it?.... Leave every other clutching detail alone and only lower finish angle on helix. The primary is pushing too hard for the...
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