Lugging a KLR? - Kawasaki KLR 650 Forum
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post #1 of 16 Old 08-31-2014, 10:09 AM Thread Starter
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Lugging a KLR?

I'm wondering just how much lugging a KLR's engine would hurt the bike.

When I'm going around 30 - 35 mph in 5th gear the bike seems to be straining, and kind of shutters. If I give more gas, it will pull and gain speed.
( NOTE: I don't do this. I normally shift down to 4th or even 3d. )

I just got to thinking just what effect it has on the engine, transmission etc. to lug it down that way.



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1990 Honda NX250 (Green/White)
2011 Kawasaki KLR 650 (Orange & White )

My KLR Page..http://www.powers31.info/2011_KLR650.htm

Mod's to KLR:
Power socket, L.E.D. Battery Indicator, Camera bag holder
Custom Saddlebag frames .
Louder horns, Firstgear Onyx tail bag.
Custom Aluminum Skid Plate.
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post #2 of 16 Old 08-31-2014, 07:45 PM
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Well, the details I don't know, but it's always been hammered into me that lugging an engine is one of the worst things you can do to it, especially if you're doing it on a routine basis. 30mph is way too slow for 5th gear unless you're coasting down a hill or something with no load applied to the drivetrain.



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post #3 of 16 Old 08-31-2014, 07:52 PM Thread Starter
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Lugging

I know. I've been told that too. I just wanted to know what it does to an engine/drive train.

I would expect there is extra strain on most parts in both engine and drive train, not to mention the variation of loading effects on the internals when it shakes.

It's probably better for engine to rev. a little using a lower gear.

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2017 Yamaha XT250
1990 Honda NX250 (Green/White)
2011 Kawasaki KLR 650 (Orange & White )

My KLR Page..http://www.powers31.info/2011_KLR650.htm

Mod's to KLR:
Power socket, L.E.D. Battery Indicator, Camera bag holder
Custom Saddlebag frames .
Louder horns, Firstgear Onyx tail bag.
Custom Aluminum Skid Plate.
Cut down seat with Custom pad.
Go Pro Camera mount.
Doo-Hicky
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post #4 of 16 Old 08-31-2014, 08:01 PM
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I'm no engine expert, but it would seem to me it would put a lot more strain on at least the rod and associated bearings.



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post #5 of 16 Old 08-31-2014, 09:09 PM
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Seems worse on a thumper as well, my old wing (4 cyl) can pull ridiculously low revs in a high gear and roll away with no chatter at all... On my KLR it almost sounds like the engine is going to start running backwards when I try something similar. Lol!

When I was running tractors on the farm if you ran them in too high of a gear and they were lugging they were prone to overheating as well... I always blamed that on the increased load on the engine and the fact that the water pumps and fans weren't running at a high enough speed to cool them sufficiently. That was back in the days of ancient machinery though, no electric fans or anything like that


Last edited by 650Stew; 08-31-2014 at 09:13 PM.
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post #6 of 16 Old 09-01-2014, 12:00 PM
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You can tell when it gets all herky jerky it can't be good and you need a different gear. I been doing that for 3 years (not a lot of miles) didn't hurt anything just mostly to try to save some gas. Recently I have stopped doing that and have learned that I didn't save any gas and hurt the riding experience with poor performance. Now my minimum RPM is 2500-3000, the bike has more guts and does better in traffic being able to accelerate much better as well as decelerate with throttle only to work traffic. It's a lot more fun to ride when operated in the mid range just watch out for the police. Been at this 40 years now and should have known better.
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post #7 of 16 Old 09-01-2014, 07:47 PM Thread Starter
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Reving up

When I'm riding back roads, gravel or paved, I like to putt along around 25 - 35 mph, depending on what's to see. If level or down hill, 5th can be done at 35 & faster.
Climbing up a grade, I shift to 4th or even 3d to maintain 30 - 35 mph.

There are areas where I would like to use 5th at 35mph to keep rev's down. If I use 4th at 35mph, it feels like I'm reving up to much. I guess reving is better than lugging!

Here in N.H. the back roads are always going up hill or down hill. A nice speed to travel these roads, and look around at things, is 30 - 35mph.

Hmm! Maybe I could put my GL1800 engine in the KLR?
I have taken my Wing on some gravel roads. Shakes the $$t out of me, and the bike. At least I don't have to check the fasteners on the Wing.

Ageing Gracefully



2017 Yamaha XT250
1990 Honda NX250 (Green/White)
2011 Kawasaki KLR 650 (Orange & White )

My KLR Page..http://www.powers31.info/2011_KLR650.htm

Mod's to KLR:
Power socket, L.E.D. Battery Indicator, Camera bag holder
Custom Saddlebag frames .
Louder horns, Firstgear Onyx tail bag.
Custom Aluminum Skid Plate.
Cut down seat with Custom pad.
Go Pro Camera mount.
Doo-Hicky
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post #8 of 16 Old 09-01-2014, 07:53 PM
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Holy carp!

At 30-35 I'd be in second.

Tom

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post #9 of 16 Old 09-01-2014, 08:37 PM
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Quote:
Originally Posted by Tom Schmitz View Post
Holy carp!

At 30-35 I'd be in second.

Tom
Ditto!
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post #10 of 16 Old 09-01-2014, 10:38 PM
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I am always at 3K -5K rpm. 3.5-4K is perfect. Personally, I'd never lug it like that.




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