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Sidewinder 174 build and ride report.

TURBLUE

TY 4 Stroke Junkie
Joined
Nov 1, 2005
Messages
615
Age
49
Location
Southern Alberta
Country
Canada
Snowmobile
Sidewinder MTX
Just thought I’d start a post on my current Yamaha Sidewinder 174 build. Also probably keep the thread going through the winter on how the sled is working. Here’s a brief overview of what I’ve done this summer . Installed CR racing 174 tunnel extension, boards, and exhaust. I went with camoplast 174 9271m mostly because the deal was worth it...i figured worth a try......installed avid drivers. I kept the suspension in stock configuration for now. Iceage cut me a set of 174 rails...i am planning on going with different ski and rear skid shocks...currently working with a company in canada to get that figured. Also have wired in push button start and reconfigured the handlebar controls. More to follow....will post some details over the next few days.
 

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Last year I only rode the sled a handful of times, including the demo ride .... which sucked me right back to Yamaha. The sled worked so unbelievably well out of the box I was impressed. There were a few things, like always, I need to change to make it better for me riding style.
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First off, I’ve always liked the feel of a 174” track, floatation, and traction. Chad at CR does an amazing job with the parts for these sleds...I installed the 174 extension and CR extreme boards. Install went pretty well....make sure to take the time and square up things to the sled prior to putting the rivets in. The new extreme boards should work well on the deep days. That’s on thing I haven’t liked about many of the sled manufacturers....better boards are a must.
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I then wanted a bumper that I can actually grab when buried in the snow. The LMS (Lethbridge Machine Shop) bumper looked like exactly what I was looking for. So I bought a used pro rmk one, cut it to a taper and welded the ends shut. Installed rivnuts to make it a clean install....it worked out pretty well.

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Since I really liked how the sled handles stock ... I wanted to keep as close to stock with going to 174. Iceage cut a sweet set of black 174 rails. I added skidoo scratchers since I tend to wreck the non reverse kind. Lol. As for shocks I have been working with John at Accelerated Technologies in Ontario. http://www.acceltechracing.com/
Im planning on going with Elka front ski shocks and rear skid shock. Elka doesn’t make a ski shock yet to fit the mtx ...so John is working with them to make a custom angled rezzy shock.

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Steering/controls was a big part of the modification I wanted to do on this sled. I really like the idea of a push button start on the bars. Also clean up the controls and have a cleaner setup. I am pretty close to how I want them now, but not completely there. First off the brake and hand warmer switch block had to go. Coming off a skidoo xm I figured it made the most sense to go that route. So I installed a 2015 summit brake and rer/dimmer cluster. Wiring it in was relatively easy. I basically series/paralleled the key switch circuit . I added a mini hella waterproof really and a programmable timer relay to kill the power to the switch after it’s started. The main relay is there basically because I don’t think the rer contacts are rated very high. I set the timer for 20 seconds..so after the key is on, kill switch on and tether installed it kills power 20secs after. Power cycle resets it. Also taking the key out will still secure the sled...if you used a higher rated start switch you would only need the timer relay...here is the circuit. Disregard the scribbles on the key switch diagram I was thinking out loud. Lol.

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Now I needed to do something with the dimmer and hand warmer switches...dimmer pretty easy wiring to the rer dimmer switch. Hand/thumb warmers I wired to pro rmk switched in the console along with the tether. Worked out really well. I may try a Munster finger throttle if they start making one for the newer yammies, but not convinced yet. I am running CFR turcotte bars, skidoo adjustable riser and summit grab strap. I was running the CFR knucks risers prior but couldn’t make them work with the skidoo strap. I will mention in order to run a skidoo riser you need to grind the point of the tee post.... Not that bad though.

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Motor wise I’m planning on running stock with a CR racing resonator exhaust. Possibly a cold air intake, but I have a couple things I might do intake wise. The stock Can is fairly heavy so it’s a easy weight savings. Also has easy access to the chaincase adjuster then. I powder coated my heat shields in high temp black. They don’t get that oxidized aluminum look then.

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I was planning a cool wrap for the sled, but decided to just go with a Yamaha themed tunnel wrap for now from Marc at http://www.spiralusdesign.com. He did a great job on all my sled wraps...also if anyone needs a wrap for there 174 CR tunnel he will have the measurements now. We will probably have to tweak a bit after I get it, but after that should fit. I also have a few other cool things I’m working on...will post once I have them figured. All for now... any specific questions post them or pm me I more than happy to help out.
 
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I have a bunch of rivets to replace on my tunnel at the joint between the main tunnel and the extension. I heard they can be a PITA to remove. Any sage words of advice? Any specific tools required to get them out without gouging my tunnel up? Thanks, Kevin.
 
It’s very easy....take a pin punch and knock the mandrel out of the rivet. Then take a good quality 3/16” drill bit and drill out. If they spin use a pliers or side cutters to hold it on the back side. Also you may need a metal block for backing when hammering the mandrel out if it’s not solid enough. I think it took 10min to get the extension off my tunnel.

If you don’t knock the center out it will be difficult to drill...Take your time.
 
Wow.......nice details on the conversion. Congrats. Makes me want one.
 
I have a bunch of rivets to replace on my tunnel at the joint between the main tunnel and the extension. I heard they can be a PITA to remove. Any sage words of advice? Any specific tools required to get them out without gouging my tunnel up? Thanks, Kevin.

#4 center drill for rivets
Takes the head of em like nothing . I gave up using drill bits for rivets long time ago . Only thing with the center drills is you have to be straight on it or you’ll crack tip off
 
Nicest wrap I have seen so far for the sidewinder!!!
 
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Thanks TT..
Got the mountain addiction can figured to mount on LinQ.
 
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