Grizzly 708 swap
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Grizzly 708 swap

This is a discussion on Grizzly 708 swap within the Engine forums, part of the Yamaha Wolverine Gen 1 708 cc SxS category; I have a 2016 rspec 4x4. The motor blew up and my buddy is offering me a motor from a 2009 Grizzly 4x4. Its also ...

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  • 5 Post By Jhampton1979
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Thread: Grizzly 708 swap

  1. #1
    Spectator Jhampton1979's Avatar
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    Grizzly 708 swap

    I have a 2016 rspec 4x4. The motor blew up and my buddy is offering me a motor from a 2009 Grizzly 4x4. Its also a 708. Im thinking the head is different, but not sure if I can at least use the case. Im thinking it should be the same. Does anyone know for sure?

  2. #2
    Sunday Driver
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    2009 is a 686, the 708 were only used from 16-18 on Kodiac, Grizzly, Wolverine. Truthfully though I’m surprised nobody has looked into or built a retrofit kit for a 708 to 686 swap. Be an interesting project.

    Frisky
    2016 RSpec
    14” Bighorns, ITP SS212
    LT4000 Superwinch, 20” Lightbar

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    Far from stock Atcdan13's Avatar
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    That 686 is bulletproof. I have a 10 grizzly and it’s unstoppable.
    2016 Rspec. Probably everything EMP makes. Throttlemax pedal
    28x10x14 ITP Blackwaters 14" ITP Hurricane's, Spare tire
    2" Perfex lift. Superwinch Terra 45 synthetic. JBS radiator guards
    TGM/Konstruktor doors. Lots of lighting. Turn Signals. Horn
    Power Commander. YXZ Wheel. Chupacabra side mirrors
    Hunterworks green spring, 16gr weights, Sheave and slug kit
    HMF Titan QS. FDI concepts headlights/halos/ Factor55 ultrahook.

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    Spectator Jhampton1979's Avatar
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    Ok I stand corrected. That is why I wanted to post this, because I dont have all the details. Well I am going to take a bunch of measurements and observations to see if this can even work. If not, Im stuck with getting a $3500 reman? I can stick my fist through the case now. Shrapnel everywhere. 😂

  6. #5
    Hog Chaser
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    Quote Originally Posted by Jhampton1979 View Post
    I can stick my fist through the case now.
    Pictures?

    (Everyone likes to see someone else's carnage, don't they?)
    Last edited by FiremanDan; 11-12-2019 at 10:45 AM.
    Jimbo and erik like this.
    2017 Yamaha WOLVERINE R-SPEC EPS SE
    (w/all the S.E. fixin's)

    27x9x12/27x11x12 Bearclaw HTRs on OEM Beadlock wheels
    2" Perfex Lift
    Hunterworks PC-V, AIS delete, greaseless sheave - 16g/purple secondary, & slugged wet clutch
    Kolpin Full Tilt Windshield
    Yamaha Soft Rear Window & Cargo Bed Box
    Open Trail 31.5" LED Light Bar on roof
    2 - Auxbeam 3" pods on rear roof
    Concours dash panel
    Pro Armor harnesses
    Badland 3500 Winch on KFI mount

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    Spectator Jhampton1979's Avatar
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    Ok I didnt take a picture of the hole in the block, but I will post it in the next couple days. Here is some pics of the teardown.
    Attached Images Attached Images    

  8. #7
    LJ3
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    Hey J, did you ever find out if the 686cc engine would fit?
    2016 Wolverine R spec SE
    Hunterworks sheave 16 gram weights green spring
    Dynojet Power Commander V
    AIS block off plate
    HMF Titan QS
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    Perfex 2" lift

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    Ripsaw jimclemjr's Avatar
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    Part of that rabbit hole is the electronics (ECU, sensors, dashboard, and the wiring harness, connectors, is injector the same, etc) and the time to install and get it all correct. That scrambles my brain just thinking about it lol.
    But if I could push a button and have it swapped I would. I cannot outrun my old Rhino with the 686 with BBK 734, Rhino is a little lighterweight but still can't come close to it with the stock 708. Don't get me wrong, I like the 708 it is just limited with lack of aftermarket stuff. The Rhino has a Viking 6 torquer cam but if it had a stage 2 or 3 cam in it, it would be real bad.
    Budro2 likes this.
    2016 Wolverine R-spec EPS- Black , JBS CVT grind, 16 gr OD, Purple, slugs, JBS rad guards, Autometer Temp Gauge, Alba Racing Reflash, SATV A-arms & DIY stick guards, Flip wshield, Auto tie rod ends, Dual batts/man switch, ALS defeat, Method 14" B-locks, YXZ wheel studs, 28" 9 & 11 BH 2.0, 4000# Moto Max winch, Yama trunk, Rigid D pods on bumper, 3"rear cage lower, JBS/Eibach springs, SPAL fan, ACM doors, Lexan moonroof, Pyle rear cam, Midland MXT275

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    Ripsaw jimclemjr's Avatar
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    J, interested in how it blew up if you do not mind sharing. How many hours and miles? Type oil? Any clues? Any history of overheating? Low oil indications? Sheave and weight of weights? Size tires? Looks like it went apart in a mudhole??
    2016 Wolverine R-spec EPS- Black , JBS CVT grind, 16 gr OD, Purple, slugs, JBS rad guards, Autometer Temp Gauge, Alba Racing Reflash, SATV A-arms & DIY stick guards, Flip wshield, Auto tie rod ends, Dual batts/man switch, ALS defeat, Method 14" B-locks, YXZ wheel studs, 28" 9 & 11 BH 2.0, 4000# Moto Max winch, Yama trunk, Rigid D pods on bumper, 3"rear cage lower, JBS/Eibach springs, SPAL fan, ACM doors, Lexan moonroof, Pyle rear cam, Midland MXT275

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