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Offline maxim552

noise when starting
« on: December 01, 2017, 12:03:32 AM »
2014 cforce 800  1060 klm   just bougth this (new to me ) and when first trying to start the starter kicks in and makes a  errrrrrr sound, let off starter button and try again it starts up.  after riding for even a few mins if stop she starts up perfectly.    anyone experience this  or any ideas/info would be great.  always been a polaris guy but loving this cf moto but not familiar with it at all.     thanks in advance. 
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Offline NMKawierider

Re: noise when starting
« Reply #1 on: December 01, 2017, 08:32:48 AM »
May be a starter motor or drive problem starting. Best check into it before it fails completely.
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2015 Z Force 800 53/Trail EPS
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage |7- 9.7" GPS Systems | Bandit Springs Rear & Gen-3 Shocks Front | Cage Chop Mod

My Videos On YouTube
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Offline doug80638

Re: noise when starting
« Reply #2 on: December 01, 2017, 11:30:41 AM »
Can you elaborate on the 'errrrrr' sound? Do you believe the starter is spinning/free-wheeling and gears spinning? Or is this the sound of a motor drawing current trying to turn but can't?

I ask because if the starter is spinning, but the engine is not, I would guess that the sprag clutch is a bit worn.

Here is an example of what a completely failed sprag clutch sounds like:



If that is the problem, this is likely the part you need: ($49 before shipping)

http://online.mortch.com/MICF800-6015-CFMoto-CF800cc-ATV-UTV-Overriding-Clutch-0180-091200-CF2V91W

Here is a good video on what it takes to remove and replace a sprag bearing:


The only thing I noticed was failure to put motor oil on the new sprags before assembly.
« Last Edit: December 01, 2017, 06:09:04 PM by doug80638 »
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2017 Zforce 800 - Red
SuperATV Flip windshield
Tusk soft rear window
Uni-Filter foam air filter
Bandit springs
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Offline maxim552

Re: noise when starting
« Reply #3 on: March 28, 2018, 10:12:26 PM »
srry guys trying to upload a video but keeps getting error msg.
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Offline NMKawierider

Re: noise when starting
« Reply #4 on: March 28, 2018, 10:41:16 PM »
Quote from: maxim552 on March 28, 2018, 10:12:26 PM
srry guys trying to upload a video but keeps getting error msg.
Sorry, can't upload videos directly. Can upload to a hosting service like YouTube, then post a link in your message.
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2015 Z Force 800 53/Trail EPS
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage |7- 9.7" GPS Systems | Bandit Springs Rear & Gen-3 Shocks Front | Cage Chop Mod

My Videos On YouTube
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Offline murdo

Re: noise when starting
« Reply #5 on: March 31, 2018, 03:31:36 PM »
Check the tightness of all the cables from battery to starter motor. A loose terminal will sometimes give those symptoms.
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Offline maxim552

Re: noise when starting
« Reply #6 on: October 14, 2018, 03:14:04 PM »
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Offline murdo

Re: noise when starting
« Reply #7 on: October 14, 2018, 04:44:41 PM »
Sounds like dry bushes/bearings in the starter motor.
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Offline doug80638

Re: noise when starting
« Reply #8 on: October 14, 2018, 05:18:56 PM »

Is the cvt belt grabbing/rubbing?
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2017 Zforce 800 - Red
SuperATV Flip windshield
Tusk soft rear window
Uni-Filter foam air filter
Bandit springs
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Offline maxim552

Re: noise when starting
« Reply #9 on: October 21, 2018, 10:24:09 PM »
thinking on replacing the e starter just to see.
didn't think of the belt, but well remove the cover to ck it out, tks
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Offline maxim552

Re: noise when starting
« Reply #10 on: October 29, 2018, 12:07:32 AM »
new and better video. 


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Offline NMKawierider

Re: noise when starting
« Reply #11 on: October 29, 2018, 08:42:33 AM »
It's either the starter motor or the oneway sprag. My money's on the sprag.
« Last Edit: February 07, 2019, 08:51:51 AM by NMKawierider »
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2015 Z Force 800 53/Trail EPS
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage |7- 9.7" GPS Systems | Bandit Springs Rear & Gen-3 Shocks Front | Cage Chop Mod

My Videos On YouTube
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Offline ctdls

Re: noise when starting
« Reply #12 on: October 29, 2018, 07:31:54 PM »
ugh! The same ugly sound when it shuts off.....that's a clue.

The noise is gone after it starts correct? Starter is not staying engaged?  Other than that god awful sound it runs normally & properly?
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ZF 800 LX Trail, stock for now.......not for long.
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Offline NL800

Re: noise when starting
« Reply #13 on: January 27, 2019, 08:10:34 AM »
Any update on your noise issue?
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2014 Terralander 800 EPS
Elka Shocks
CFMOTO Windshield
Front and rear cargo boxes
Garmin eTrex 20 GPS
Wasp Action Camera
Rear Winch
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Offline Dave K

Re: noise when starting
« Reply #14 on: February 06, 2019, 02:54:07 PM »
    I just went through his on my 2018 Z500 ho.   It was The sprag  dead give away when it makes the noise starting & shutting off.    You can get them from Ebay cheap. Mine made
that noise 5 times befor it failed.
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Dave K.
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