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Offline Steve

Noise from cv housing
« on: June 30, 2016, 12:50:45 PM »
Hi all, was wondering if any of you put there has experienced a noise when driving down a step hill on tick over. Sounds like a loud rattling noise the only way to stop it is to apply brakes. Any advice would be appreciated. Also since I'm running in my cf 800 the manuel stated not to go over half revs on the throttle for the first 500 km but this only equates to approx 35 kmh. Is this correct.

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Offline IVIaniac

Re: Noise from cv housing
« Reply #1 on: July 09, 2016, 09:45:55 PM »
I hear this noise too. I've complained to my dealer and they don't seem too worried about it. I can't get it to happen for them. My next step is to record a video of it. It happens to me only when I'm off the throttle completly. I'm very curious what it is too.

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Offline Aurora_Lance

Re: Noise from cv housing
« Reply #2 on: July 09, 2016, 11:20:32 PM »
Wonder if it is a loos e nut in the CV?

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Offline NMKawierider

Re: Noise from cv housing
« Reply #3 on: July 09, 2016, 11:53:51 PM »
Yeah it might be time to just take a look... check things out.
2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline IVIaniac

Re: Noise from cv housing
« Reply #4 on: July 10, 2016, 12:48:19 AM »
I pulled the whole CVT apart, cleaned everything and replaced the bearing on the cover and clocked the secondary back a bit. Then I reassembled to torque specs with loctite. It didn't change the noise or the clutching engagement. I'll have to get a video so you guys can hear it, it's hard to explain. It's like a clunky pop noise. It does it 1 - 3 times after I let off the throttle sometimes, not every time. It seems like it's making the noise when engine breaking engages but I'm not certain.

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Offline IVIaniac

Re: Noise from cv housing
« Reply #5 on: August 08, 2016, 04:45:56 PM »
Sorry for the delay, I got a video of the noise on mine (https://goo.gl/photos/zmumtoHUUNqjMcY9A), it is sort of a "click clock" and occurs twice in the video. I brought my machine to my dealer and he compared this noise to another CForce 800 and it seems this is a noise that they both make.

I'm not too concerned any more  and it doesn't seem to impact performance in any way so I'm willing to accept that it's just a noise that this machine makes.

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Offline NMKawierider

Re: Noise from cv housing
« Reply #6 on: August 08, 2016, 05:06:17 PM »
That could be the rollers dropping back to the center or the wet clutch shoes disengaging.. Ride it harder and faster..:)

2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline Bogs

Re: Noise from cv housing
« Reply #7 on: August 09, 2016, 04:54:02 PM »
I have a noise but it's not as quiet as that .mine is also when you let off acceleration, mine is if the engine braking isn't working and rolls as if in neutral and clunk's until I blip throttle.

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Offline NMKawierider

Re: Noise from cv housing
« Reply #8 on: August 09, 2016, 04:58:01 PM »
I have a noise but it's not as quiet as that .mine is also when you let off acceleration, mine is if the engine braking isn't working and rolls as if in neutral and clunk's until I blip throttle.
Some have had problems with the one way bearing coming apart. If it does, then you will not have engine breaking when the wet clutch releases...which is pretty much right away. Might better check it out.
2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline IVIaniac

Re: Noise from cv housing
« Reply #9 on: August 10, 2016, 08:57:11 AM »
That could be the rollers dropping back to the center or the wet clutch shoes disengaging.. Ride it harder and faster..:)

Thank you, I always like when strange noises can be solved by ride it harder and faster :)

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Offline Cosmosdan

Re: Noise from cv housing
« Reply #10 on: August 11, 2016, 12:07:37 AM »
I thought it was the other way around.
2013 Z6 Trail
Iron Baltic skid plates
UE Boom Speaker mount
RZR 800 Shocks
Mostly stock trail riding
25g. Rollers and A1

2016 Outlander max 570
Too new for mods yet

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Offline IVIaniac

Re: Noise from cv housing
« Reply #11 on: August 29, 2016, 01:51:18 PM »
I thought it was the other way around.

I actually laughed out loud.

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Offline NMKawierider

Re: Noise from cv housing
« Reply #12 on: August 29, 2016, 03:06:20 PM »
There's more clutching issues from going to slow then too fast....especially wet clutch issues :)

2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline IVIaniac

Re: Noise from cv housing
« Reply #13 on: October 06, 2016, 01:20:44 PM »
Haha, you're killing me :)

I've been listening with the context that it could be the rollers dropping and think the more I listen to it the more it sounds like that is true. I haven't heard the noise get any more frequent or louder so I don't believe it is causing anything to wear excessively or cause damage.

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Offline C0d3man

Re: Noise from cv housing
« Reply #14 on: July 28, 2017, 09:10:09 AM »
Sorry for the delay, I got a video of the noise on mine (https://goo.gl/photos/zmumtoHUUNqjMcY9A), it is sort of a "click clock" and occurs twice in the video. I brought my machine to my dealer and he compared this noise to another CForce 800 and it seems this is a noise that they both make.

I'm not too concerned any more  and it doesn't seem to impact performance in any way so I'm willing to accept that it's just a noise that this machine makes.

Sorry to dig this up, new owner of a 2017 CF800-2. Mine makes the same exact noise when coasting down almost to a stop. It also makes it when in Neutral and I rev it up - When the RPM's get almost back to idle, clunking noise coming from the transmission housing. Did you ever figure out if this is a normal noise for this machine?