Topped up oil, rode 50km = no oil left - 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 03-11-2016, 09:20 AM Thread Starter
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Unhappy Topped up oil, rode 50km = no oil left

Hey guys,

I recently bought a 2006 KLR650 with 24,000km on the clock (not sure now if that's actually genuine). I topped up the oil this morning, went for a 50km ride, came back and the oil is finished. The bike smokes A LOT for about 30 seconds after I start it. Could this mean that the piston is wrecked? I'm so bummed about the whole thing - was so excited to finally get a KLR after wanting one for years, and now I think I've been sold a complete dud
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post #2 of 21 Old 03-11-2016, 10:26 AM
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guit4eva,
Sorry to read this. I have a couple of questions about things.

Have you inspected the air filter? Foam air filters Must Be OILED after cleaning. It is the oil that catches the dust.
If the engine has been breathing dusty air, its gonna' need a rebuild.

The oil level is to be checked with the bike vertical on its wheels.

If carb float valve and fuel tank tap have or had a problem, gasoline may have flooded into the engine oil. Over-filled it. Thinned it. And now when riding it, it is burning it.

May be a simple oil and filter change will help. I'll recommend 10W40 jaso MA or MA2 graded petroleum Motorcycle oils, not automotive oils. In the USA, Kawasaki sells a Very Good oil.

pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 84,000+ miles & counting
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post #3 of 21 Old 03-11-2016, 10:43 AM
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When checking oil level, a time interval must lapse after the engine is stopped before the sight-gauge level reaches a meaningful level; the oil must drain after operation from the engine's passages down into the sump.

How long did you wait to check the oil level?

+ 1 on pdwestman's comments regarding leveling the bike for oil level check.
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post #4 of 21 Old 03-11-2016, 10:54 AM
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Good advice so far; while it's possible you have an engine with a pooched cylinder/rings check the other stuff before panicking. Also check the oil before every ride and every gas stop. My Gen1's don't require oil between changes and Gen1's don't typically have the issues that the 2008 - 2010 bikes sometimes do.....especially with 24k on them. Make sure the oil level is at the very TOP of the sight glass.

Also make sure that there is no place for unfiltered air to get to the clean side of the airbox (i.e. if the drain line is off).

I would service the bike (air filter, oil change and oil filter) and monitor it closely and you'll know alot more.

Good luck.
Dave
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post #5 of 21 Old 03-11-2016, 01:21 PM Thread Starter
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Hey guys,

Update: Thanks Damocles about the advice on checking after some time has passed since running the engine. I had another look and the oil, while it has gone down considerably, hadn't completely vanished. Pheeew!

However, its still something that needs to be fixed, especially before it causes any more damage. The previous owner hadn't installed the air filter correctly (facepalm), so based on what I've read, the pistons are most likely shot. I spoke to our local bike shop and they have a 2008 KLR that is being stripped for spares (revenge of the doohickey), and they say I can get the piston kit (with sleeve) and carb (the slide on mine is worn) for R7000 ($450). They mentioned it being the "sports" kit, I will find out tomorrow if they mean it's the 685cc kit. What do you guys rate? Should I maybe go that route?

Last edited by guit4eva; 03-11-2016 at 01:38 PM.
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post #6 of 21 Old 03-11-2016, 02:29 PM
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Never heard of a "sports kit" nor a worn slide not working.
(They are going to sell what would normally be in the recycling bucket.)

There may not even be a major problem.

The top end may need cleaned up but the fact that it runs good shows
that you didn't get a dud. Needs some TLC to bring it back from the
previous owner's lack of care.

Keep coming back to the site. These guys know every possible glitch, fix,
and step by step repair and modification instructions. You are at the right place
to end up with a non oil burning monster of a fun bike.

This is my son, with whom I am well pleased." ----God
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post #7 of 21 Old 03-11-2016, 04:56 PM
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I'd evaluate the existing condition further before I embarked on major repair/replacement.

'Twould take a lot of operation without air filter in an extremely dusty environment to damage greatly piston/rings/cylinder, IMHO (although some insist, without NASA clean room hygiene, the engine quickly becomes toast).

Regardless, a leak-down test will give you an idea of the condition of the rings and valves. Surely, if it's broke, you want to fix it. Just . . . make sure it's broke, first!

[Don't know the meaning of, "sport," as used by the shop--could be, KLX needle. Could be, 685 piston kit. Haven't heard of carburetor slides wearing out, myself; reckon it's possible.]
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post #8 of 21 Old 03-11-2016, 08:15 PM
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guit4eva,
I'd question the need for a throttle slide at a mere 24,000 km!
Unless the vacuum diaphragm had a hole in it!

If the 'flat wings' of the throttle slide are excessively worn at a mere 24,000 km /16,000 miles that does tell me that this bike has had IMPROPER Air Filter service, since day ONE! And IT should be an 'absolute' bear to start, due to LOW engine Compression.
If this is the case, it may need a proper re-build.

But, lets take things 'one step at a time'.
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pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 84,000+ miles & counting
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post #9 of 21 Old 03-11-2016, 08:49 PM
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Just wondering if it the valve stem seals that's gone. My 600 smoked at startup and it had a snapped valve guide!!!!
Maybe worth a compression test.
Just a thought.

Ian
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post #10 of 21 Old 03-31-2016, 04:50 PM
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Dropbox not fully loading!

Normk,
Just another heads-up, your dropbox in this thread is not functioning properly.

And Thank You for your support.

quit4eva,
Are you still among us? Are you still riding this bike? Has your oil consumption issue been lessened or repaired?
Just hoping for a 'good' update.

pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 84,000+ miles & counting
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