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post #1 of 7 Old 05-28-2008, 07:12 PM Thread Starter
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Synthetic oil for KLR with 1400 miles

I have bought a KLR650e (2008) with 1,400 miles. Should I use a synthetic
oil on the next change?
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post #2 of 7 Old 05-28-2008, 08:56 PM
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Welcome aboard crozetsam.... You will get both ends of the spectrum on that question. There are those that swear by synthetic with no problems at all, then you will have those that developed leaking gaskets and oil drips while using it. If you are going to use it, most of the KLR guys that do use it, suggest waiting till you have 5 maybe 6 thousand miles on the engine before you do swap. I personally am staying with standard type oil, just because of its ease of availability out on the road. Altho if you go with Shell Rotella Synthetic, you can usually find that at any WalMart and auto parts store.

2008 DL650 VStrom Yellow and Black
Previous ride was a 2007 KLR Black/Silver, I miss it..
Looking to get back into KLR's sometime soon.

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post #3 of 7 Old 05-28-2008, 10:17 PM
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Synthetic oil

I have an 07 and have used 20-50 synthetic since 500. I currently have 5000 on the bike. I can't speak for the 08 but I have not had any problems. I use synthetic in everything I own that has a motor. Synthetic oil will not cause a leak however I did experience an oil leak in a car when I changed to synthetic. The car had 80000 miles on it and the synthetic cleaned out the sludge causing a leak for about a week. The gaskets softened up and the leak went away. Some say break it in first before changing. I say change when you are ready. Many cars come from the factory with synth in them.
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post #4 of 7 Old 11-20-2008, 04:27 PM
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I've used sythetic oil in all my bikes ('82 Yam Seca 650, '85 Ninja 900, '97 KLR)after the break-in period (check yer owner's manual), and I noticed that they all shifted a bit better. I've used both Spectro Gold and Amsoil Motorcycle. I think Amsoil is easier to find, and they've got a good website ( By the way folks, congrats for no flame wars on this subject, some guys on other bike forums act like you punched their moms if you have an oily opinion.
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post #5 of 7 Old 11-20-2008, 06:43 PM
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No surprise about the lack of flames. This is one of the most cordial and friendly sites there is. Good members and mods keep it that way.

I use syn in the gas car and trucks but Rotella T in the bikes and diesel truck and tractor.

Some stories about syn causing a little clutch slippage - I think there's one fairly recent thread going on about that now.
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post #6 of 7 Old 11-20-2008, 07:12 PM
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clutch slippage w/synth

Over at a friend's house and he was carping about all the horrible things that using synthetic oil had done to his clutch. I asked him what he used and he picked up the bottle. Mobil 1 car oil. I pointed to the rating label that showed "Energy Saving." That means it contains friction modifiers, and your clutch don't want it's friction to be modified. That's why there's motorcycle-specific oil. It's made to run in trannys and clutches, and car oil ain't. I drained the Mobil 1, and filled him up with Yamalube (non-synth) and everything was hunky-dory. We were both lucky--he didn't have to buy new clutch plates, and I didn't have to do the job.

joe's motto: "When in doubt, read your (BLEEP)-ing owner's manual. And the factory repair manual is even better."
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post #7 of 7 Old 11-20-2008, 07:22 PM
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Good lick.
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