which motor - Yamaha Kodiak 700 Forum
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post #1 of 27 Old 01-19-2019, 12:28 AM Thread Starter
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which motor

i have the opportunity to get a 2018 Kodiak 700 EPS with the 708cc motor and see the 2019 offers a 686cc motor has the 708 been a unreliable motor and going with the 686 be a netter choice .
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post #2 of 27 Old 01-19-2019, 01:29 AM
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The 708 is a fine motor. Yamaha went to the 686 for reasons that no one really knows. One of them was that they just wanted to stock one motor for their larger machines.

I would get either one that you can get the best deal on.

2016 Kodiak 700 base model with a few SE parts CV boot guards, receiver hitch, Grizzly bars. Trail Tech Striker speedometer/voltmeter. 501 Parts Electric Grabber locking diff
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post #3 of 27 Old 01-19-2019, 02:28 AM
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I know that when Yamaha went from the 686 to the Subaru 708 the HP and torque were both increased.

Not sure what happened power wise when they returned to the 686.
I've been very happy with my 708, but I only have about 200 miles on it.
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post #4 of 27 Old 01-19-2019, 01:38 PM
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The 708 is only a fine motor for those who've had no troubles with it. There have been oil consumption issues with what I would consider far too many of them. Do your research on it before buying. Join grizzly central and ask about the 708 before buying. There is far more traffic on that site than this one. You are in a good buyers position right now. The 708 was used in 3 yrs of the griz and Kodiak so there will be plenty of feedback available, both good and bad. My 16 uses some oil when plowing snow. Not a lot but it does. It is still a low mileage vehicle and in my experience, oil consumption doesn't get better, it gets worse with use. My situation is not unique and there have been owners with far worse issues. Do your homework and good luck.
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post #5 of 27 Old 01-30-2019, 02:56 PM
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I went through the upper-end rebuild on my 2016 700. Every dealer including the one that rebuilt it claimed to have no knowledge of why that engine had problems or even acknowledge it. My machine was occasionally blowing LARGE clouds of blue smoke on start-up. Not every start up, maybe only one-in 10. Two dealers could not duplicate it. The third one told me to me to come get it. They started it to move it and finally it blew large blue clouds of smoke. Top-end was rebuilt. Yamaha picked up 2/3's of a 2000 dollar bill. Still pisses me off. Here is what I have been able to surmise; The tsunami took out whatever division of Yamaha that built the 686. They used a Subaru motor (708) until the plant was back up and producing, hence the switch back to the 686. Some valve guides in some 708's were bad. The valve stems wore the guides, allowing oil into the combustion chamber, thus the oil on start-up. Yamaha knew about the problem early but never acknowledged it. Not sure it I'll ever buy another one.
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post #6 of 27 Old 01-31-2019, 12:02 AM
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Rondo, it's terrible how you had to eat some of that bill. I don't blame you for not buying another one of their products.
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post #7 of 27 Old 01-31-2019, 02:22 PM
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Originally Posted by Nomad View Post
The 708 is only a fine motor for those who've had no troubles with it. There have been oil consumption issues with what I would consider far too many of them. Do your research on it before buying. Join grizzly central and ask about the 708 before buying. There is far more traffic on that site than this one. You are in a good buyers position right now. The 708 was used in 3 yrs of the griz and Kodiak so there will be plenty of feedback available, both good and bad. My 16 uses some oil when plowing snow. Not a lot but it does. It is still a low mileage vehicle and in my experience, oil consumption doesn't get better, it gets worse with use. My situation is not unique and there have been owners with far worse issues. Do your homework and good luck.
this is where the problem gets blown way out of proportion making it look way worse than it really is. not just this 708, but anything these days.
millions of 708 were sold worldwide , millions with zero problems, but in this age we have the internet ...
a few thousand of us are purest, living and breathing the forums, ....info, reviews, next cool mod, helping others ect.
then there are the couple hundred with the real problems requiring major repairs.
not many purposly come to the forums just to say how great the bike is, no, they are out enjoying it.... but a high percentage (I bet +90%) of the people with major issues will hit up the forums for help and to vent their frustrations. (I know I have done it lots of times myself).

so a few hundred issues among a fuw thousand forum members....yes thats a huge problem..... but that same few hundred problems among the millions actually sold, not such a huge problem now.

if the problem was huge, yamaha would have issued a recall, mandatory or voluntarly.

if you do research it, the issue is about 99% first year, 2016 bikes, not surprisig at all.
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post #8 of 27 Old 02-01-2019, 12:09 AM
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Originally Posted by CanadianKodiak700 View Post
this is where the problem gets blown way out of proportion making it look way worse than it really is. not just this 708, but anything these days.
millions of 708 were sold worldwide , millions with zero problems, but in this age we have the internet ...
a few thousand of us are purest, living and breathing the forums, ....info, reviews, next cool mod, helping others ect.
then there are the couple hundred with the real problems requiring major repairs.
not many purposly come to the forums just to say how great the bike is, no, they are out enjoying it.... but a high percentage (I bet +90%) of the people with major issues will hit up the forums for help and to vent their frustrations. (I know I have done it lots of times myself).

so a few hundred issues among a fuw thousand forum members....yes thats a huge problem..... but that same few hundred problems among the millions actually sold, not such a huge problem now.

if the problem was huge, yamaha would have issued a recall, mandatory or voluntarly.

if you do research it, the issue is about 99% first year, 2016 bikes, not surprisig at all.
That really puts things into perspective!
Bravo!
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post #9 of 27 Old 02-01-2019, 02:58 PM
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That really puts things into perspective!
Bravo!
I can't take full credit, i was researching a lawn tractor for my friend's dad a few years ago, and the one he wanted had lots of bad reviews. It was a guy in a John Deere forum that explained it.... made sense. in the end, bought that tractor and it's been trouble free for 9+ years now....
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post #10 of 27 Old 02-01-2019, 03:10 PM
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Originally Posted by Nomad View Post
Rondo, it's terrible how you had to eat some of that bill. I don't blame you for not buying another one of their products.
Not completely ruling another one out, but I'd sure contact corporate and remind them of the money it cost me.
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