Another Oil Thread - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 29 Old 10-07-2007, 01:58 PM Thread Starter
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Another Oil Thread

Been tossing around the idea of going synthetic. How many use synthetic? At what mileage did you switch? What brand? Where do you buy it? I used synthetic (Amsoil, Royal Purple) on my Sportster with no real apparent benefits apart from peace of mind. I am a mechanic by trade and work for a huge bus company (TTC). We do not use synthetic, but we do change oil every 3000 miles (27 litres) and we get very good mileage out of our engines despite them being abused with 100% city driving, full throttle/full brake day in day out. What I see with the Strom is a very good cooling system that should keep dino oil from experiencing extreme heat failure, like faced with an air cooled engine. My guess is that as long as we keep the oil in the bike no longer than manufacturer spec interval of time we should be fine with dino. Most would change before the 6 k kms speced by Zuk, I know I will. Thoughts?

If you use dino oil, what brand? What is your OCI? Do you change the filter each time?

Vee K7- no mods other than sheepskin and a Shad top box.
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post #2 of 29 Old 10-07-2007, 02:23 PM
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I went to from Petro-Can 15/40 Duron Diesel (dino) to Amsoil 10/40 at 6000 km, and get the Amsoil from the local Honda dealer for $9.99 / L.

I didn't notice any difference in performance / shifting from the dino I was using before. I have thought about going back because I tend to change it out every 4000 km or so and often wonder what I am accomplishing by draining out perfectly good synth so often, but that's just how often I like to change it and won't stop now.

Anyone gone back to dino and regretted it ?
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post #3 of 29 Old 10-07-2007, 03:15 PM
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"Anyone gone back to dino and regretted it ?"

Nope, I had a 2003 SV1000s before my DL1000 - switched back and forth between Mobil 1 and Rotella T, have occasionally done the same with my DL , but usually run 15W40 Rotella T (CDN Tire ~$13 / 4L) and Kimpex oil filters ($9). But I think I'm getting cheap as I get older...

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post #4 of 29 Old 10-07-2007, 03:15 PM
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I had my 600 mile service yesterday and mentioned to the dealer that my shifting was kind of rough at times. He recommended a Semi-Synthetic (sorry, I did not get the exact type but I think it was Rotella).

After picking it up it shifts beautifully. It is good enough that I made it a point to call the service tech and thank him for the recommendation.


"Since I am about as mechanically inclined as a Sea Otter (which means I can use hard things to smash open softer ones), I was delightfully surprised when the bike started and ran perfectly after the PCIII install."

2005 DL1000 Blue (new 7/07)
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post #5 of 29 Old 10-07-2007, 04:11 PM
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Been running Rotella Full Synthetic since roughly the first oil change or so. Kenworth Truck stores carry and sell it.. I think it is a bit less than $20.00 for a 4 liter jug.


2006 DL650: 202,000 km 125,500 miles, Sold
2012 DL650 139,500+ km, 86,700+ miles. Sold
2015 DL1000 New July 2015 195,000+ km, 121,000 miles.

This can help preventing from cars pulling out in front of you (SMIDSY)
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post #6 of 29 Old 10-07-2007, 05:38 PM
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Another big truck mechanic here LOL.

I switched from dino to full synthetic on my Strom after its third oil change. Its first change as at 600km, then again at 1200kms and again at 2000kms with the switch to synthetic and then every 3000-3500 after that with a filter change every time.

Figure this will be the last new bike i can afford for a VERY long time so i going to force myself to take DAMN good care of her even if its a tad excessive.

Iv seen the differance Synthetics make in an auto transmishions with hundreds of thousands of miles in SEVER use in transit buses (works for a while for SN Diesel) so i figure it should show similar effects in an engine.

2017 Suzuki V-Strom 650 XTSE
2010 Yamaha TW200
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2004 Suzuki Ozark 250
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post #7 of 29 Old 10-07-2007, 05:59 PM
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I use Rotella 5W-40 Synthetic. I changed the oil for a second time at 1000 miles and I will do a change every 3000 miles or so. I do agree with your points of seeing good results on buses with dino oil and that the Strom's cooling system is very good. To be totally honest if I was going to do an oil change I would not feel bad if the Rotella 15W-40 was the only one on the shelf that day at Walmart. I don't exactly baby my bike and oil is cheap insurance.

I cannot comment on the difference between dino and synthetic on this bike. I did previously own a Kawi cruiser and the synthetic oil always seemed to let me find neutral a little easier and nearly eliminated the false neutral problem I was having.

I am by no means an expert and these are only my humble opinions.

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For Dual Sport riders of the southwest
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post #8 of 29 Old 10-08-2007, 11:26 PM
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Rotella T 5-40 full synthetic at 1900k. Switches way smoother now.
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post #9 of 29 Old 10-09-2007, 12:03 AM
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When I purchased my DL650, I followed Calsci's breakin rules.....

First 50 miles, slowly get it hot and then run it hard. Change the oil and filter.

500 miles - Change the oil and filter again (switched to Rotella T Synthetic, 5W40).

1,000 miles - Change the oil and filter again.

2,000 miles - Change the oil and filter again.

3,000 miles - Changed the oil and filter again.


I just hit 5,000 miles and I just changed the oil and filter again.

Now, I won't change the oil or fllter again until 10,000 miles (With Rotella T Synthetic, I will be running 5k between changes....Calsci recommends 6k).

I know my regime of changes is probably crazy to everyone, but I think the first 5k in the life of an engine is the most critical. Under no circumstances did I want any 'wear metal' floating around in the oil any longer than it had to. Also, I honestly plan to run this bike 100k miles.

For the record, mostly I have used Mobile 4T Synthetic in previous bikes and I use Mobine 1 Synthetic in all my vehicles. I moved to Rotella with the Strom and couldn't be happier. The bike shifts very smoothly and runs very smoothly.

I know 5k mile changes are beyond the 3.5k mile recommendation in the manual, but I have no worries. Even my buddy who owns and runs a BMW LT has his service done by the dealership and they put in synthetic and have 8k mile intervals. Synthetic simply lasts longer.

Anyway....that is my two cents....

Big John

2007 DL650 - Gone but not forgotten
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post #10 of 29 Old 10-09-2007, 03:24 AM
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I agree with you and take it one step further for the first five oil changes, I change twice within the first 10 minutes of the new oil just to flush out anything extra that may be floating around. For five extra flushes it cost me about $120 extra and I feel good about it, even if it never is really going to make a difference.
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