tiny engine click...doohickey? - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #1 of 21 Old 02-02-2017, 11:53 AM Thread Starter
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tiny engine click...doohickey?

I got an 88 650 recently and it was said to be "all original" by the previous owner. I just started hearing a clicking sound in the engine and another thread said the doohickey could break and leave a piece of it in the motor?!!?!? whaaaaa? How can i determine if this is my problem?
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post #2 of 21 Old 02-02-2017, 12:22 PM
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I think you'll have to remove a case cover (or two) to check out your doohickey, but . . . symptom doesn't sound like a failed doohickey, to me.

Have a case cover gasket standing by in the event you need it, and take a look.
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post #3 of 21 Old 02-02-2017, 10:43 PM Thread Starter
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What does a failed doo sound like?

"kawasaki klr650 doohickey failure cylinder head valve damage
In the example above the failed doohickey spring caused the engine to jump time. This KLR650 engine ate both exhaust valves, damaged the cylinder head, cylinder, and piston all because the doohickey was not adjusted correctly.
Also new to site is posting photos possible?
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post #4 of 21 Old 02-03-2017, 03:00 AM
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To post photos you need to have made 15 posts. It's our caveman way of insuring that you're not a spammer. We used to get a lot of spam; now we don't.

'Failed doohickey' can mean many things. Usually they just break and sit there, not doing their job. That lets the chain get loose, so it sounds like a trashing, slappy, rushing sound coming from the left side of the engine. That's the same sound that a properly functioning system makes when it simply needs adjustment.

If the broken bits get loose and tangled up in moving engine parts the sound can be anything from 'crunch-blam-tinkle-quiet' to Total Global Thermonuclear War. Obviously, having bits get loose and tangled up is a bad thing. In truth, that's less common than just sitting there not doing the job.

Here's a video that describes the balancer system:

There is a set of four videos, about 45 minutes in total, that goes over how to change out the part(s). If you're interested in that it can be found on the same channel or I can give you a link if you like.

It is possible to find some peace of mind by removing the left side cover and peering into left side to see if the doohickey is functioning properly. If you're interested in that, it can be described.

Tom
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post #5 of 21 Old 02-03-2017, 11:00 AM Thread Starter
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Awesome thank you. I'm guessing that if the doo is broken and little spring piece been running around in there i would be lucky to not have to open any other part of the motor than the side cover? (Just before a noob starts wrenching)
And I must have hit 15 posts
No drag n drop on cia google phone though
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post #6 of 21 Old 02-03-2017, 11:45 AM
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If it's just a rythmic tick then it's prob the cam chain. It will get louder or quieter as the cam chain tensioner CCT self adjusts. Probably nothing to worry about
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post #7 of 21 Old 02-03-2017, 02:47 PM
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Quote:
Originally Posted by MikeyWayne View Post
Awesome thank you. I'm guessing that if the doo is broken and little spring piece been running around in there i would be lucky to not have to open any other part of the motor than the side cover? (Just before a noob starts wrenching)
And I must have hit 15 posts
No drag n drop on cia google phone though
If pieces drop free rather than getting kicked into moveing parts they usually go down a large drain hole into the crankcase, where often they can be fished out.

See a thread called "I am Joe's Crankcase".

Tp,

Tom

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post #8 of 21 Old 02-04-2017, 08:44 AM Thread Starter
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Thanks guys. And it is a rhythmic tick, could it be caused by overfilling oil perhaps?
Also was that thread written by Joe's crankcase?
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post #9 of 21 Old 02-04-2017, 08:54 AM
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Can't imagine that overfilling by any reasonable amount would cause ticking.

I am Joe's Crank Case

Tom

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post #10 of 21 Old 02-04-2017, 08:56 AM Thread Starter
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Does it need to be fixed somehow?
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