July 17th, 2018, 06:03 PM | #1 |
ninjette.org newbie
Name: ThePursuer
Location: Space you NERD
Join Date: Oct 2017 Motorcycle(s): 250r Posts: 2
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Infrequent engine ticking at low rpm
The bike is very weak to start up and ticks. I start it with the choke on and leave it until the bike is warmed up. The ticking returns after turning the choke off and letting the rpm's fall. If I roll on the throttle too much the bike will stall. All issues seem to subside after the bike has been run for 10 minutes but the ticking will come and go. Does anybody have any idea what this could be?
https://www.youtube.com/watch?v=4HFbNbsbBQU Ticking starts at the beginning then subsides. It dies after I apply throttle. Bike was just started no choke. Last futzed with by ThePursuer; July 22nd, 2018 at 11:00 AM. |
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July 21st, 2018, 10:15 PM | #2 | |
ninjette.org member
Name: James
Location: Canada
Join Date: Oct 2017 Motorcycle(s): 2010 Ninja 250 Posts: 69
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Quote:
I don't think this is considered an issue.. but perhaps more experienced member can chime in on the topic. |
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July 21st, 2018, 11:22 PM | #3 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Also measure your valve-clearances and post them here.
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July 22nd, 2018, 12:27 AM | #4 |
"a legend in my own mind"
Name: maverick9611
Location: Augusta,Georgia
Join Date: May 2017 Motorcycle(s): 2015 moto guzzi norge,2020 aprilia dorsoduro, 2014 yamaha fjr, 85 yamaha fj 1100 Posts: A lot.
MOTM - Feb '18
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yup, i agree check your valve clearance
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July 22nd, 2018, 05:55 AM | #5 | |
Rev Limiter
Name: Jay
Location: WI
Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot.
MOTM - Jun '18, Oct '16
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Quote:
As suggested, most likely a valve issue (can't tell, as the video has been removed) causing the ticking, but from the sound of it you may need some carb work and tuning as well. Cam chain tensioners can also cause some noise if they are not functioning properly. You should be able to start it cold with moderate choke, then turn it off almost completely after a minute or so if it's tuned properly. I'm guessing a valve adjustment and intense carb cleaning and adjusting are in order. |
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July 22nd, 2018, 07:50 AM | #6 |
The Corner Whisperer
Name: Chris (aka Reactor)
Location: Northern KY
Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much.
MOTY 2015, MOTM - Nov '12, Nov '13
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Check the easy stuff first.
1. oil level AND for contamination 2. check for exhaust leaks 3. clean your cam chain tensioner 4. really, really, really bad gas Also, does it tick only when when in motion? Other things that can make noise; Engine mount bolts, brake pad slides, frozen chain links, valves, steering stems, levers ect... ect.. You also might want to just redo a 600m service on the bike and ensure all bolts are tight. I hope it something simple, good luck!
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Goal: Shake A Million Hands | Look through the corners | Track Day Prep | Closest track? | The Mid-Ohio School |
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July 22nd, 2018, 10:07 AM | #7 |
ninjette.org newbie
Name: ThePursuer
Location: Space you NERD
Join Date: Oct 2017 Motorcycle(s): 250r Posts: 2
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Here's a video I reuploaded:
https://www.youtube.com/watch?v=4HFbNbsbBQU
Link to original page on YouTube. |
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July 22nd, 2018, 06:28 PM | #8 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Sounds like maybe perhaps cam-chain tensioner...
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