March 25th, 2019, 08:27 PM | #1 |
ninjette.org newbie
Name: Joe
Location: Lake Hopatcong, NJ
Join Date: Mar 2019 Motorcycle(s): 2001 Ninja 250 Posts: 3
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Another ticking sound thread
Hey guys, new to the Kawasaki life and so far it’s been a ride.. so my girlfriend got her first bike (2001 ex250f) and we have slowly been bringing her to life. After a carb clean and oil change we got her to fire up for a few seconds but had to shut it off because of a loud ticking sound. I’ve tried to search for the problem but came up with many possible answers. Do you think it could be a bad CCT? I tried to clean it but the tensioner shaft does have some scratches so we ordered a new one.
The P/O stated the bike sat around 7 years so I’m wondering if this could have caused the timing chain to stretch? https://www.youtube.com/watch?v=6nW1yTvwfkQ Thanks! |
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March 25th, 2019, 11:43 PM | #2 |
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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Hi, welcome to Ninjette!
Nah, sitting around won't do anything to metal. I take it you've already changed coolant and oil? Filled to upper line on site glass? Get yourself workshop manual and perform following service: -:valve-clearance adjustment, use 1/4" torque-wrench to tighen lock-nut - cam-timing, make sure both cams are timed correctly (all marks line up properly) - install new CCT while you're there. After above procedures been performed according to manual, engine will be smooth and quiet. |
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March 26th, 2019, 04:34 AM | #3 | |
ninjette.org newbie
Name: Joe
Location: Lake Hopatcong, NJ
Join Date: Mar 2019 Motorcycle(s): 2001 Ninja 250 Posts: 3
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Quote:
Thanks!! |
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March 26th, 2019, 06:12 AM | #4 |
ninjette.org guru
Name: Hector
Location: SoCal
Join Date: Sep 2018 Motorcycle(s): 2007 Ninja 250 Posts: 272
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Wow, that's pretty loud. CCT would be my first suspect. Hope swapping it out takes care of it.
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When you see me, it's already too late. |
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March 26th, 2019, 06:43 AM | #5 |
ninjette.org newbie
Name: Joe
Location: Lake Hopatcong, NJ
Join Date: Mar 2019 Motorcycle(s): 2001 Ninja 250 Posts: 3
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I was messing with the bike before work and I noticed I can lift the cam chain up about 2-3mm off the intake cam which I am guessing is a good diagnosis for the CCT? I tried to back off the CCT bolts very slightly( bad I know )and let the tension out just to test it and it did not tension any better so I’m hoping it’s just that..
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March 26th, 2019, 07:46 AM | #6 |
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Name: -
Location: -
Join Date: May 2009 Motorcycle(s): - Posts: A lot.
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The speed at which the "tick" occurs tells you where the problem is located:
If the ticking sound = indicated engine RPM it's coming from the crankshaft If the ticking sound = 1/2 indicated engine RPM it's coming from the valves If the ticking sound = less than 1/2 indicated engine RPM it's coming from the cam chain (maybe being made by a couple of rigid/seized links that make a noise each time they bump up and over the bottom edge of the rear cam chain tensioning guide) A cheap "mechanic's stethoscope" from Harbor Freight is a good tool for narrowing down both the frequency of the noise and the location of the noise. |
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