Opinion on oil weight - Kawasaki KLR 650 Forum
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post #1 of 14 Old 08-10-2012, 08:27 PM Thread Starter
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Opinion on oil weight

I changed the oil in my 2012 KLR about 30 or so miles ago & put in 10-40. Now this week the temp in my area decided to turn into hell on earth & is hitting 103, 104, 108 etc. Do I need to drain the oil & go with a heavier oil or can I just take it easy on the bike for a week or so till this heatwave passes? Thanks for the info.
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post #2 of 14 Old 08-10-2012, 09:19 PM
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Talking You are fine

Your oil is still in it's heat range. No need to change unless you are a worry wart!
Just ride and enjoy, don't abuse the bike!
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post #3 of 14 Old 08-10-2012, 10:32 PM
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It's a water cooled engine.. 10w-40 is fine..

I run 15w-40 in mine year around.. Including when it's super hot.. Ride and enjoy!!
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post #4 of 14 Old 08-10-2012, 11:18 PM
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post #5 of 14 Old 08-11-2012, 03:18 AM
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Thus sayeth Kawasaki:



I would not change a sump full of 40-weight oil because of a brief run at ambient temperatures over 104 degrees ambient temperature, myself, but . . . might go to 50-weight at the next oil change.

If truly concerned, I might add some viscosity modifier, like STP, prior to the next oil change.

Last edited by LoneRider; 08-11-2012 at 03:23 AM.
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post #6 of 14 Old 08-11-2012, 06:09 AM
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One other item to think about..

Have you ridden a motorcycle in 104 degree heat??

I rode in several triple digit temps this summer.. It's usually about the time I think about how nice the A/C works in my car..
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post #7 of 14 Old 08-11-2012, 07:07 AM
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One other item to think about..

Have you ridden a motorcycle in 104 degree heat??

I rode in several triple digit temps this summer.. It's usually about the time I think about how nice the A/C works in my car..
this was the first thing I thought as well. Not bad if you are moving, but heaven forbid you get caught at a trafic light. Add another 20 degrees from the road heat.
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post #8 of 14 Old 08-11-2012, 09:33 AM
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Quote:
this was the first thing I thought as well. Not bad if you are moving, but heaven forbid you get caught at a trafic light. Add another 20 degrees from the road heat.
I rode in 106 temps the other day and I found it cooler just sitting at the light. Moving was like getting hit with a blast furnace. YMMV
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post #9 of 14 Old 08-11-2012, 10:57 AM
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Quote:
Originally Posted by Paper View Post
One other item to think about..

Have you ridden a motorcycle in 104 degree heat??

I rode in several triple digit temps this summer.. It's usually about the time I think about how nice the A/C works in my car..

Uh yea that's a balmy summer day here! It's not humid though. I feel sorry for you guys back east with those temps!

My understanding of oil is that the lower viscosity number is more important. You want the oil to be able to flow at the lowest temps. Once a water cooled motor is warmed up ambient temps don't effect the oil temp as much.

No eye has seen, no ear has heard, no mind has conceived what God has prepared for those who love him. 1 Cor 2:9
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post #10 of 14 Old 08-11-2012, 11:00 AM
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Quote:
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I rode in 106 temps the other day and I found it cooler just sitting at the light. Moving was like getting hit with a blast furnace. YMMV

What kind of gear are you wearing? When the ambient temp gets above body temp the air will heat up exposed skin. A solid shell jacket (vs. mesh) actually keeps you cooler.

No eye has seen, no ear has heard, no mind has conceived what God has prepared for those who love him. 1 Cor 2:9
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