Grizzly 660 vs 700 - Yamaha Grizzly ATV Forum
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post #1 of 56 Old 09-07-2013, 09:17 PM Thread Starter
 
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Grizzly 660 vs 700

I am thinking of selling my 2005 kodiak 450 and getting a grizzly. What is the big differences between the 660 and 700? I here the 660s were/are more reliable. I will get a 2004+ 660 or a 2008- 700. So the 660 will have all the kinks worked out but is the 700 that much better even with kinks in it? For those or you that have used both what would you recommend? Thanks in advance.

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post #2 of 56 Old 09-08-2013, 12:17 AM
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To me, the only draw to the 700 is the EPS....but that's not worth $2000 to me. I picked up my '07 660 for $4150 and I love it.

I like simplicity and the 660 is all about that.

I'll get flamed for this, but I'm not a fan of the EFI. My 660 runs great from 5000 feet to 13,800 feet. I'm not a fan of computers and sensors.
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post #3 of 56 Old 09-08-2013, 01:38 AM
 
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I got my 700 for 3 grand i couldnt pass it up .... But i love my 660 , i find myself riding the 660 more ....

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post #4 of 56 Old 09-08-2013, 07:26 AM
 
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I had to pull four carbs apart this year due to bad gas and I am sick of it..efi for me please. ;)


Ian
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post #5 of 56 Old 09-08-2013, 10:15 AM Thread Starter
 
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I think I am going to go with either the 550 or 700 because of efi. I'm heading up to Colorado next year and will be at over 12000 ft. Hear in Tennessee I don't change more than 2000-4000 ft so efi isn't a neccecity but in Colorado it is. The kodiak will be going up for sale in the next few months.

2005 WR450f... got out of four wheeling
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post #6 of 56 Old 09-08-2013, 11:37 AM
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Do yourself a favor and insulate the bottom of the fuel tank with some reflective material. Last year in Taylor Park, after a long day of riding, the EFI units starting vapor locking, gas lines got too hot and yes, the fuel was boiling in the tank.

It got to the point that they wouldn't even run, had to let them cool for 30 minutes.

My 660 was the only machine running at that point, bet that pissed them off. I live and ride in Colorado, so re-jetting is a non-issue. I'm keeping my carbureted quad.
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post #7 of 56 Old 09-08-2013, 12:20 PM
 
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Quote:
Originally Posted by Grizzly450Man View Post
Do yourself a favor and insulate the bottom of the fuel tank with some reflective material. Last year in Taylor Park, after a long day of riding, the EFI units starting vapor locking, gas lines got too hot and yes, the fuel was boiling in the tank.

It got to the point that they wouldn't even run, had to let them cool for 30 minutes.

My 660 was the only machine running at that point, bet that pissed them off. I live and ride in Colorado, so re-jetting is a non-issue. I'm keeping my carbureted quad.
Wasnt that problem addresses
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post #8 of 56 Old 09-08-2013, 12:45 PM
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This was an '09 700, the fuel boiling problem may have been fixed by now, but they still need insulation under the fuel tank.

It made a big difference with the vapor lock issue.
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post #9 of 56 Old 09-08-2013, 06:04 PM Thread Starter
 
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When I get a new used grizzly I will put some insulation under the fuel tank if I have over heating issues but I usually will let my quad cool down when it gets to hot because i hate when my legs are sweating and everything.

2005 WR450f... got out of four wheeling
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post #10 of 56 Old 09-08-2013, 06:43 PM
 
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Take the first good one that comes along. You'll like it. If power steering is a must the 660 is out, problem solved.

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post #11 of 56 Old 09-08-2013, 07:18 PM
 
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I have a 08 700 with 15,000 miles on it and had absolutely no problems (up to 10,000 miles)with boiling gas,sensors,computers or anything for that matter(except wear n tear items and a couple idiot things. lol)Even though the 660 is carb it still has sensors and relys on the computer also, these days they all do..

I really like the brakes at all 4 corners , power steering(not for ease but a damping)softer seat and mine definitely rides smoother than either 660 that i have had. I am not saying it is better but both are great bikes and there are things i liked about my 660s but not my 700....On the 660 it felt like i would sit down in the machine and on 700 i feel more on top, 660 has pull rope and 700 don't and a few other things..This is just my opinion.... Good luck and you will enjoy either way you decide to go.........

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post #12 of 56 Old 09-08-2013, 07:25 PM
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For me, the 700 wasn't worth the 2 grand price difference, but they are very good machines, regardless.

I actually like the fact that I sit down in the 660 and the floorboard's are 2 inches longer and the seat is 4 inches longer. It gives me more room to move around.

Since I have aftermarket wheels, plus I put spacers on the rear axle, its really widened my stance and softened up the suspension. I bet it rides just as good now, as any 700 out there now.

Last edited by 660MountainSlayer; 09-08-2013 at 07:25 PM.
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post #13 of 56 Old 09-10-2013, 07:17 AM
 
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The 700 is most definitely an overall better machine than the 660. Yamaha really did their homework when they designed the 700 since the 660 was such a great seller and success, you really do not want to mess with a great thing.
To sum it up nicely, Yamaha took what was bad about the 660 and improved it. They made the suspension better, the steering better, stronger stock axles, more power and more refinement. BUT even after saying all that, like everything the 700 still has short comings and areas that I would like changed. For one, I would love for the 700 to have a backup pull starter. I realize if the battery is dead the machine will not start anyway because of the EFI, but its not always the battery that is the problem and a pull cord or alternate means of starting would fix this. If I had the freedom to choose between a 660 or a 700, I would most definitely take the 700......but I also have always loved and still do love the 660 and that's why I bought one last December. The 660 design is now an 11 year old design, yet it still holds it own against most everything out there today. All this is just my opinion though.

The boiling gas problem on the 700 was fixed with heat reflective tape and better roll over valves.

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Grizzly 700 cam plate (no performance improvement, just better non-wearing slide design)
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post #14 of 56 Old 09-10-2013, 10:36 AM
 
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I agree with the bottom post, the 700 is just a bit better in every department, the 660 feels like its little brother. You have to take into account the age of a machine as well, alot of hidden rust can be found on older rigs, frame, suspension bolts, etc.
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post #15 of 56 Old 09-10-2013, 11:41 AM
 
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Only thing I would look for in the 700 is if it had the stator cooling upgrade done on '07&'08 model years and some people have had issues with the rivet heads coming off on the secondary clutch. Not sure when that issue was addressed '11 model years perhaps. The boiling gas has to do with a plugged or partial plugged rollover protection valve in the vent line. Not so much because of heat. Putting insulation or heat shielding tape on is just a bandaid fix and doesn't address the real issue. Can't comment on the 660 cause I've never had one.

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