Looking for some general thoughts on 660's..... - MudInMyBlood Forums
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post #1 of 19 Old 06-01-2011, 03:00 PM Thread Starter
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Looking for some general thoughts on 660's.....

Looking at possibly getting a 686 kitted rhino and a 660 grizzly. Will be typical bolt-on type mods like pipe/filter/tuning(obviously the 686 bike already is) and probably a WCD kit(for the grizz for now, the rhino maybe later). - Will likely swap the motors, as the rhino would be for the wifey anyhow.

What's the general consensus on the relibaility and power of these? I've been doing some research on various forums, but wanted to get some real-world rider input from some people who have owned a few bikes in their time.


I'm jonesing for a big bore bike pretty bad and have a decent offer on trading my harley out for the pair of these. I know a 660 grizz isn't going to be the same as the XMR that I rode that started me wanting to make a change, but I think it can be done up easily enough to give that same kind of warm & fuzzy feeling of just wasting some 29.5's when you snap the throttle.

Thoughts/opinions?

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- Jp

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post #2 of 19 Old 06-01-2011, 03:35 PM
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Ive owned a 686 grizzly and was very disappointed, I also own a stock motor brute 750 and it wouldn't even compare. I ended up selling it the grizzly. It has je pistions, mud buster cam, dynatek cdi, white secondary spring, 450 Kodiak weight and 2mm shim. All that and it still was a terd compared to my brute

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post #3 of 19 Old 06-01-2011, 03:37 PM
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And I forgot to mention, the xmr is also a vtwin rotex 800 which is a beast, grizzly 660 is just a single cylinder,

2009 Polaris Ranger HD 700
fully snorkled
Super atv 2inch forward a-arms
3in highlifter lift
14in Sti/HD2 with s/w 31 outlaws
Half windshield
Super atv roof
Custom speakerbar
Custom speaker and amp setup
Quadshop customs ckutch kit
Duel led whips

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post #4 of 19 Old 06-01-2011, 03:58 PM
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I like the 660 grizz, tuned right and you would like it, def not a v-twin but can be fun IMO. As for reliabilty I can't say for sure I got a couple years out of my BBK 488 kodiak and that's racing it on top of trailriding. There are a ton of parts to get the grizz and rhino going. Might want to just keep the rhino and sell or trade off the grizz if ya still want a V-twin bike.

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post #5 of 19 Old 06-01-2011, 04:08 PM
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My grizz 660 stock moor has 29s and will pull them off the ground plus do 60mph with just a clutch kit
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post #6 of 19 Old 06-01-2011, 05:24 PM
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It is a good bike and very very reliable. But hoping on a can am vtwin to a single cylinder 660, your goin to be disappointed even with 686 bbk. This just my personal experience. I was disappointed in mine and it was built right.

2009 Polaris Ranger HD 700
fully snorkled
Super atv 2inch forward a-arms
3in highlifter lift
14in Sti/HD2 with s/w 31 outlaws
Half windshield
Super atv roof
Custom speakerbar
Custom speaker and amp setup
Quadshop customs ckutch kit
Duel led whips

Original 7 member/founder
www.arkansasmudriders.com
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post #7 of 19 Old 06-01-2011, 06:57 PM
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i have a 700 rhino an LOVE it,very reliable, me an the wifey swap up so i can ride the brute (hehe) an theres plenty of room for the kids

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post #8 of 19 Old 06-01-2011, 07:34 PM
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You will like the rhino for sure, the Grizz will be lacking in power compared to the v-twins, even with the kit in it. And the Grizz's are known to have overheating issues. A good friend of mine had one and it overheated ALL the time. Other than that it was a good bike, no seal problems or anything like the Brutes or Kitties.

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post #9 of 19 Old 06-01-2011, 07:46 PM
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Quote:
Originally Posted by J2! View Post
You will like the rhino for sure, the Grizz will be lacking in power compared to the v-twins, even with the kit in it. And the Grizz's are known to have overheating issues. A good friend of mine had one and it overheated ALL the time. Other than that it was a good bike, no seal problems or anything like the Brutes or Kitties.

never seen one over heat only problems i know of is if you go to HL axles they keep poping out NO matter how mant times you change the keepers.

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post #10 of 19 Old 06-02-2011, 08:02 AM
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Quote:
Originally Posted by countryboy61283 View Post
It is a good bike and very very reliable. But hoping on a can am vtwin to a single cylinder 660, your goin to be disappointed even with 686 bbk. This just my personal experience. I was disappointed in mine and it was built right.
Yes I love my can am and brute the grizz has no power like they do

have this and thats nothing -unless u wanna give me something that would be nice because i cant pay for one unless it 20$$$$$ a month
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post #11 of 19 Old 06-02-2011, 08:05 AM
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If u say no over heat THEY DO my grizz did just pulling out a halkeye 500 in sand but u just get pulled a good quarter mile it starts back up
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post #12 of 19 Old 06-02-2011, 12:55 PM
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Add engine ice as a replacement.. maybe upgrade Your Rad.. they do have overheating problems of course.. join the forum " grizzlycentral" to learn more about the bbk.. not knocking this forum at all but this one is mostly brutes, I intend on getting the bbk for mine.. the grizzly is dependable if treated right but like stated before.. defense not a rotax 800

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post #13 of 19 Old 06-03-2011, 09:17 AM Thread Starter
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Big thanks for the info guys.


I know it's not going to be an 800 rotax twin, that's fairly obvious. I'm not expecting it to run 70+mph, and not expecting it to spin all 4 tires into oblivion. As long as I can snap the throttle and light up 29.5's(or stand it up on solid ground when it can hook) I will be happy.

Just need to be able to whack the throttle and send chunks of dirt or mud flying from a set of s/w 29.5's, while moving hard enough that you actually need to somewhat hold on. - I'm coming off a 30ish hp honda with a 35% gear reduction, thus I would think a decently modded 660 with proper clutching would be capable of what I'm looking for?




For reference, here's the motor info on the 686:

"06 grizzly motor that was torn down & the middle drive upgraded to the billet support, 686 BBK was installed, head port/polished/rebuilt, web cam kit, edlebrock carb (tuned), greaseless OD weights, gold spring" - it's currently in the rhino which has the HL triple flow radiator and dragon fire dual exhaust.

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30" Motoboss/MSA Pilots - 32's were fun, but not on the trails.....lol
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post #14 of 19 Old 06-03-2011, 10:09 AM
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id like to drive the rhino lol...just to see how the 686 does in it.

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post #15 of 19 Old 06-03-2011, 12:38 PM Thread Starter
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It's in the Lafeyette area, how close is that to you?. If the deal goes through I'm heading to Tennesee for a family vacation next month and will be "side tracking" to make the swap on my way up. - If it looks like this is going to work out I could arrange for you to test drive it for me ahead of time. Be nice to have yours and maybe HC's input on both bikes before I drag my big enclosed trailer all the way up and back.

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'11 Max Limited -
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30" Motoboss/MSA Pilots - 32's were fun, but not on the trails.....lol
'08 Teryx -
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