Track sled gearing ) + rider & gear (200 lb. E. Be prepared! Trackloft is your #1 track cycling webstore in Canada. This is with the IR track . Just change the boxes in blue for your setup. Dec 13, 2011 · The top gear on the sled is the front gear cluster on a bike, and the bottom gear on a sled is the rear gear cluster on a bike. On trail it is fine. We are proud to contribute to this awesome community! Jul 8, 2015 · Hello, I am new to the forums so please be easy on me. 75 backcountry or the 2". As dealer wouldn’t freebie parts. Has anyone built one before? Looking for ideas and to-do's and not to-do's. Check Specs/Choose Length The first step to choosing a snowmobile track is to either check the manufacturer’s specs if you are replacing it or choose an ideal length if you are buying a new sled. The bottom chart is valid for the 06+ sleds with the 8. 11 ratio which gets the skis up but won’t stay up . Oct 28, 2020 · Good morning, I am getting ready to build my first ever snowdog/track sled. I will add a couple links for the parts ordered for the machine. Sled manufacturers provide information about the gear ratio that will meet this goal. Looking specifically for sleds in the roughly 6-7k elevation range, 165’s preferably for comparison but I guess changes to a 154 should respond similarly. The same DRIVER size and RPM will give the following speeds based on the following gear ratio changes. Apr 10, 2011 · With less track load feedback using lower gearing, it should upshift a bit more than with stock gearing and save fuel. :) It's Oct 28, 2020 · Weight,length,center of gravity, and gearing seem to be very important in the the construction of these Track sleds. 5 hp engine. Oct 27, 2013 · im am putting on a new track between the 1. Mar 26, 2016 · the best gear ratio for any 600 c. Perfect for winter farm work, hauling supplies, and rugged snowy terrain. Axle cogs are 7” diameter that drive a track that is 121” long if that matters! Machine weight is roughly 200lbs I’m sure you guys now know my issues are Good day all, This is a great site. Then click on the Calculate button when you are finished. My sled currently has 19/40 gearing 2. Nov 22, 2011 · I will tell you that I have stock gearing in my 2011 Assault, for the 1. 1. Made with the best materials, and R&D to not leave you on a trail broken down. Nov 25, 2023 · With the 121 track I was able to do about 70-75. If you go down one on the top and up one on the bottom, it's likely you can Looking for tips on building a track sled. The chain pitches on the first chart are NOT Valid for the 900 sleds. Homemade track sled I built a couple months ago. The clutches have gone full shift, full stroke and cannot open anymore. f. You'll find links to our snowmobile track fitment chart for Arctic Cat, Polaris, Skidoo and Yamaha snowmobiles. 35 track to 22/41 will actually increase top end by allowing the belt to fully shift out My comments to him were that my sled barley breaks 100 MPH Anyone make this change ? And with what results ? My 20 XCR with view my newest build here • Amazing DIY Snowdog Motorized Track Sled - I built this tracksled that I use to get out on lakes ice fishing for under 350 US. especially the 800's need a gear change for peak A smart way to outfit your ice sled for efficient transport. Ready to work! We make snowmobile accessories and gear like our Track Rack Systems, Mounting Kits, Hard Sided Tunnel Bags, Utility Jugs. Snowmobile Gearing Calculator Track Studding CalculatorWe make products to easily bolt on for maxiumum power. 375 track, and I have a 2 inch track on mine. also do you guys recommend to gear down if so what ratio do you have it at? need some feedback thanks! Oct 11, 2011 · or better what stop by my shop and i will take my 120x1. i. Lots of wicked builds. com, 9707249655 Jan 14, 2014 · I attached a excel file for calculating MPH for various gear ratios. 75. I will then put a new skid in and a longer track in. also will spin even worse on the low lug indy track. By inputting parameters like track length, engine power, and desired performance characteristics, users can adjust their snowmobile’s gear ratio to enhance acceleration, and top speed, or maintain a balance After a few people commenting and messaging me about my track sled i wanted to video a couple spots in detail. Like others have said, I think a gear change and track with lower lug height will get you more top speed. Going down teeth on the top sprocket and/or up on the bottom will give you a noticeable improvement on the low end, with a corresponding loss of top speed. Would you run a 2 to 1? Thinking of running 15T on Sep 30, 2024 · Yeah it's a pretty big difference in gearing. Dec 24, 2010 · 10 renegade 800r x ptech crank shop billet head boyseen reeds slp y pipe mid pipe and dyno port can, slp clutch kit, running 7900 rpms, track will not hook until 90 to 100 mph. I got the storm for the track, plus the gearing as I don't need to go much over 100mph. Oct 28, 2016 · Ok, according to the gear ratio of your sled, then you are achieving a vehicle (track)speed where the clutches have stopped shifting. Another example, you are going to run 1000 ft and hit 110 MPH so your gearing would be 27/49. I know that the bottoms gear is a 43 and I believe the top gear is a 19, at least that is what the parts Zilla catalog says. 375" Cobra/1. don't touch it. the 600 poo's 13' and up are geared right. what set ups you guys running, as ive heard so many combos but cant decide which way to go Jul 18, 2023 · A Snowmobile Gear Ratio Calculator is a specialized online calculator that helps determine the gear ratio for snowmobiles. Apr 6, 2015 · Clutching will make the engine more efficient, but with your stated riding style, I think you are spot on. Been using for 4 seasons now on Feb 11, 2015 · I have a 121 1. 6. Currently with the 136 I’m barely getting 60. . 6" Ice Cobra would work on this sled. Has anyone done a 19/42 gear Durable and reliable Wide Track Bob Sled with a farm-built wagon box. Jan 31, 2024 · A loose track ballons and will slow the sled down and wear on parts. 5HP Predator with a 2:1 Wet clutch as someone mentioned on the above thread and mount a gear in the existing snowmobile jackshaft. Here is the Gear Reduction and Speed Calculator I used in the video (link also in comments Formula To Calculate MPH: RPM ÷ GR x SC ÷ 12 x 60 ÷ 5280 = MPH @ 1:1 Clutch RatioGR = Gear Ratio (divide top sprocket into bottom sprocket) SC = S Use our Snowmobile Gearing Calculator to instantly compute gear ratios using sprocket teeth and track pitch values for optimal performance. In most cases, the top gear will need to be reduced by four to six teeth, which means a shorter chain will need to be installed. Do you ever see 1:1 and 74mph in your mountain sled? The newest Polaris tunes speed limit don’t they with the 3. The pitch chart is for Edge sleds with the 7. Apply your details in the fields below to view the MPH. , 2. I can Jan 18, 2024 · How to Choose Snowmobile Tracks Here are all the things you need to keep in mind when choosing snowmobile tracks. Sep 23, 2018 · Jackshaft out is original from snowmobile chaincase kept intact to retain reverse and less work for me@ 19 teeth Finally axleshaft has a once again original from sled 35 tooth sprocket. There are a couple of manufacturers of said track sleds (snow dogs) but I came across a FB page of like minded Aug 28, 2020 · Even a 25/43 gear in my 900t with a 205 TD tune with added back pack gear is all that's needed . I’ll be running a 305cc Briggs with 1” shaft. Note: 2 sets of Eagle Claw Gear Tracks required for use with Jet Sled Cargo Rack system. it was a very easy and fun build. chain case has a 21 top and 45 bottom gear, anyone changed their top gear to control track spin. Most sleds come with an appropriate track (in lug height and lug profile) for the sled’s length. These charts will tell you what length, width, lug height and pitch of snowmobile track your sled needs so you can shop with confidence. unless going to a deep lug track or short drag racing? now most other Polaris sleds. 373" chaincase. Billy Howards spring cup helps also and can be had thru Big John at Sled Head Racing /. So that was for more acceleration over stock. For more info call or email VOHK Performance, VOHK. 1 mph. Includes all mounting hardware. Where you run a deeper lug track and the sled runs quick and fast on hard pack and bumpy trail, (Some best mountain riding locations you have to run much hard pack) however you are on the hard pack and quickly pull off into untracked powder, keeping full throttle, looking to see 7900~8000 rpms (800etec) but the track speed reduces rather sharply. I want to gear down my 2017 Polaris switchback assault 800 . 75" track, right now stock gearing, 25/45. 25" Ripsaw is geared way higher. I do 80% of my riding in the swamps / powder and want to do better longer wheelies . Sep 12, 2008 · The top-end goal for gearing should be 85 to 90 mph for a 600cc sled and 90 to 95 mph for an 800 at the finish line of a 500-foot run. Jack shaft to existing drive is where my question comes in. After using it a few times I have plans to tweak a few things during the off-season, but To use our Hurricane Gear Calculator, fill in the fields below with appropriate information. About Reviews Video Contact Us Models Legacy Sport B13 NEW Sport B13 Twin Track V14 SnowdogX Bulldog 2×1 Bulldog 2×2 Accessories Applications Service Parts Documentation FAQ Nov 30, 2023 · Learn everything you need to know about gear ratios for your track bike and optimize your gearing choices for your next track cycling event! People talk a lot about gearing at the track. This is version 2 of my track shark! Using what i have learned from the first model i have updated and refined the machine for maximum greatness! This is my version of a cheep way of building a Changing your jack shaft bearing by: Lakercr GEARING CHART Gearing charts from 04 Max Perf Catalog MPH GEAR CHART 05 RX1 MPH GEAR CHART by Bob at Lightning Pro Camoplast Track ID Chart Camoplast Track Number and Identification Chart by 2ooosrx RX1 Extra Studding Protection Adding Alum to your RX1 Tunnel Protectors for more protection RX1 Track Feb 12, 2015 · The recommended starting place for gearing would be 25/49. sled will run over 110 mph already so top speeds not an issue. May 23, 2020 · So going down the you tube rabbit hole the other day I came across what is referred to as a track sled, you don't ride it but it pulls you around on a sled or wheels in the summer. 49K subscribers Subscribe Jan 8, 2020 · In a little quest for more track speed (20 HC 165) with just clutching/gearing changes (for now haha). Sep 11, 2010 · This chart IS valid for gearing speed combinations for all sleds at a 1:1 clutch ratio. This ratio is fundamental as it affects the snowmobile’s speed, torque, and overall performance. Make sure you follow "Track Sled Builds of the North" on Facebook for more information and inspiration. Eric woog (probably spelled his last name wrong) has a good video from years ago why a loose track is terrible. Doesn't work the same as lower gearing in an auto. That is my favorite Our snowmobile track buyers guide provides you with helpful information for shopping and choosing your next replacement snowmobile track. Feb 3, 2023 · Right snowmobile track for your riding style: trail, mountain, utility. Some of the problems people encounter are tippy conditions when turning ( to high of center of gravity), turning in general Nov 20, 2008 · shortstop20 is on the right track, you want to gear down so that the track speed matches what the motor is capable of spinning the track at when the cluthes reach their 1-1 ratio (full shift on stock clutches). I am looking to have a project sled this next winter and I am either looking for a old rev or an older xlt or indy (I can find my own, don't need people to try to sell me theirs). if an 800 is capable of spinning the track at 50 mph on a hard climb than the sled should be geared close to or slighty above this speed, which will reduce belt heat/ wear and Jan 4, 2017 · The track transfers all of the engine power to the snow, and the choice of track is vital in how your sled performs for you. Questions on motor size Motor placement far forward, middle Suggested Gearing ratio Offset motor vs centered motor Cvt Nov 14, 2024 · Looking for some advise . Features to look for: track length, lug height and design, drive pitch and more. MPH Calculator Fill in the appropriate information below, Then click when finished. Snowmobile upgrades. For the guys out there with the 162x3" setup with 7tooth avid drivers what gearing are you running and what track speeds are you getting?? was looking to do this over the summer along iwth some other mods. Apr 18, 2020 · BUT, when the Snowmobile (450 lb. I'm pretty proud of how this one turned out. For instance: my stock gearing was 25t top gear and a 40t bottom. 5% more power for the May 24, 2025 · A snowmobile’s gear ratio is crucial for its performance. Now your sled has to be set up traction wise for that type of gearing and surface. ) + Fuel (88 lb. The speed in MPH is miles per hour. Sep 27, 2019 · I am planning on buying the sled this weekend, so I don't know what gearing it has, but my intentions are to use the 6. What have you done (details if you Feb 16, 2024 · Some of you may remember some of my posts regarding a track sled I was building. This 12-inch track fits Jet Sleds and kayaks, with hardware included in a 2-pack. The gear calculator gives you the mph for 1:1 clutch ratio. The guy who owned the sled before me changed the top gear to 24t and the bottom to 42t, or a ratio of 1. Compatible with 1/2" wide track hardware. Any information would greatly be appreciated. Do these Amazing DIY Snowdog Motorized Track Sled - Tracksled on a Budget BarkEater Outdoors 3. if you devide the bottom by the top you get a ratio of 1. 92" chaincase. I’m wondering what gearing anyone would recommend to at least get me to 70-80. Changing the ratio for better low end works pretty well. Modifying gear ratios allows riders to fine-tune their sled for specific conditions or riding styles: Lower Numerical Ratio (e. 75" track on my race sled with my 21/49 gearing and rotate the secondary 10 times, then i will pull my track off and put my 120x1" track on it and do the exact same thing rotating the secondary 10 time and my sled will end up in the same exact spot. gearing w This video answers a lot of common questions regarding snowmobile gearing. Jan 5, 2021 · Purchased it after receiving sled and got the dealer to install track, then you would have had to purchase gearing you wanted also to go in. Mount ice fishing gear with the Shappell Jet Sled Gear T-Track by Eagle Claw. 00:1): Generally means higher top speed but slower acceleration. I. They are very new and nobody has determined the exact dimensions needed for an acceptable operating unit. Think about how hard it is to pedal a bike from a stand-still when you're in the big gear ring in front and the small gear ring in back- but how fast you can get going when you are up to speed. The Storm is a $200 upcharge--and in checking, I THINK a 1. Jul 22, 2023 · Definition A snowmobile gearing calculator is a precise tool designed to assist snowmobile enthusiasts and professionals in determining the effective gear ratio for their machines. ) = 738 total pounds static weight and a fair equivalent of static weight in all the rotating parts inertia of the snowmobile engine, drivetrain, wheels and original track, adding 20 pounds of static weight equivalent in studs, would take around 2. 5" and the 1. This gearing is too tall when you are in deep, heavy, wet snow. Thank you in advance Oct 10, 2005 · Then go either way for acceleration or top speed. Sep 9, 2020 · In response to some good suggestions, I have added a small gearing chart to post #1, that has only the tracks, Matryx sled models & gear ratios. g. Dec 13, 2022 · Talking to a clutching guy today Says that gearing down a 22 XCR 850 129 with 1. Hard to understand as that track is really a LESS than 1. Donner is a 1979 Everest. Use to attach to any and all of your hunting and fishing accessories to your Jet Sled or Kayak. My plan is to run a 1 to 1 gear from engine to jack shaft, likely a 10T with 40 chain. My question is gearing. I am nearly done with a BIG gear ratio/sprockets/chain slack/MPH/where used chart for the MATRYX sleds. I verified the calculation with the rev limiter and a tach on a LO206 with a GPS and it was within 0. Feb 11, 2014 · CHART FOR COMMON GEAR RATIOS, AND "AT TRACK" RATIOS FOR 7 Tooth 3" PITCH DRIVERS. 121" sled is 22/40. The Eagle Claw® Jet Sled Gear Track is a permanent ½" slide track that allows you to attach, position, and release accessories as needed Oct 11, 2024 · Not side tracking at all, just looking for constructive discussion for all to understand gearing. anything lower will produce a bit better low end snap but will lose some top end. I am using a early 80's Yamaha snowmobile and a predator 6. 25 track? I believe in stock configuration, a matryx with QD2 calculates out to about 74mph, that correct? Sep 21, 2005 · INTERACTIVE SNOWMOBILE GEARING CHART Download this gearing chart in Microsoft Excel® format and just plug in your Upper and Lower Gear Ratio along with your circumference of your driver (in inches) and the RPMs you are running. I’m building a track sled myself. Then it automatically calculates your speeds for you. I have the tunnel and track. On world record snowmobile jump attempts they had to ditch the snocross lug track and go with a smaller lug track to get the top speed they needed. I want to keep top speed around lets say 80-90, I ride mainly fields and ditches with occasional hillclimb when I find one worthy. Well, it's finally finished and I thought I'd share a couple pics on here. There are so many variables in building these. It determines the relationship between engine RPM and track speed. Mar 20, 2018 · Thinking the Storm track but man the gearing seems so low. lzfb ffazf hthpfd cjehriu bwsnb gnbxr kabpff tkr azxjg vvker ogzwz ccqtl lvulfv sqseq sapfwt