synthetic oil, true or false???
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synthetic oil, true or false??? - 9/9/2006 4:16:36 AM
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peterk
Posts: 152
Joined: 6/16/2006
From: Blue Mountains, NSW, Australia
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Takling oils at the auto shop today and the guy behind the counter reackons that once you use synthetic oil you can't change to a non-synthetic oil, is this true???
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RE: synthetic oil, true or false??? - 9/9/2006 5:26:25 AM
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canadianF4i
Posts: 142
Joined: 8/20/2006
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I'd say no.
What does he base this "theory" on?
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RE: synthetic oil, true or false??? - 9/9/2006 5:36:13 AM
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simochell
Posts: 50
Joined: 2/3/2006
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I think he`s talking rubbish there!!
There`s no need to use fully synthetic oil on the cbr1000,I`d use a good mineral oil instead.
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RE: synthetic oil, true or false??? - 9/9/2006 9:48:16 AM
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chesthing
Posts: 207
Joined: 7/3/2006
From: castle rock, co
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When I bought my '94 w/ 40k the owner told me he had used nothing but fully synthetic for the last 20k. Bike was due for an oil change, first thing I did was change it with dino motorcycle oil - bike now has 44k runs perfect. I'm way too cheap to spend $6+ a quart on something I think is basically a gimmic, especially when it doesnt increase time/miles between changes.
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RE: synthetic oil, true or false??? - 9/9/2006 12:19:03 PM
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rippn
Posts: 742
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SYN OIL... A GIMMICK !!!!!!!!???????? Clean and free, Ripp'n
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RE: synthetic oil, true or false??? - 9/9/2006 4:31:40 PM
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canadianF4i
Posts: 142
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I think chesthing was refering to the "once you go synthetic you can't go back" myth.
So long as you change all of the oil there would be no problem.
Basicly, people are stupid. It's easier to tell them once you go synthetic you can't go back because otherwise they'd probably go all "mad scientist" and start making up your own semi-synthetic blends (probably does happen). Plus what better way to sell more synthetic oil than to "scare" ppl into buying it?
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RE: synthetic oil, true or false??? - 9/9/2006 6:39:38 PM
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chesthing
Posts: 207
Joined: 7/3/2006
From: castle rock, co
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Yeah, I think synthetic oil is a gimmick. Just my opinion, doesnt mean I'm right. I will say this - I have a 1993 Dodge Ramcharger with 260k, never touched the engine except for timing chain at 200k for preventative maintenance and the truck still runs like new - same mileage and power I had when I bought it 10 years ago with 100k. All I've ever done was change the oil every 3k, filter every 6k.
Due to the line of work I've been in for the last 12 years I've driven probably an average of 40k/year, way more than the average driver. I've never had an engine-related breakdown in any of my vehicles. I tried synthetic oil once, and noticed absolutely no difference in running or mileage.
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RE: synthetic oil, true or false??? - 9/9/2006 9:46:49 PM
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chesthing
Posts: 207
Joined: 7/3/2006
From: castle rock, co
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This oil discussion made me think to check the oil - it's been 2,500 miles since changing it, and I had to add 2/3 quart! I went and bought some $8 mobil 1 fully syn motorcycle oil tonite and replaced the dino oil - I'm not used to owning a vehicle that uses oil and am hoping this will stop it. Who knows, maybe I'll change my opinion - if it uses it at the same rate I'll definately go back.
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RE: synthetic oil, true or false??? - 9/9/2006 11:08:38 PM
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MarkR
Posts: 975
Joined: 8/20/2005
From: Gold Coast, Australia
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I was told that it didn’t matter if you want to change to a different oil, but it was important that changing to a different oil was done at a oil change (include the filter) and to always top up with the same oil as is in the bike, unless you were stuck somewhere.
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RE: synthetic oil, true or false??? - 9/10/2006 12:28:42 AM
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R1000
Posts: 1128
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From: Sweden
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quote:
ORIGINAL: chesthing
This oil discussion made me think to check the oil - it's been 2,500 miles since changing it, and I had to add 2/3 quart! I went and bought some $8 mobil 1 fully syn motorcycle oil tonite and replaced the dino oil - I'm not used to owning a vehicle that uses oil and am hoping this will stop it. Who knows, maybe I'll change my opinion - if it uses it at the same rate I'll definately go back.
Moving to a full synth isn't likely to reduce the oil consumption at all, but it will go down some if you use a 15W-50 oil instead of e.g. 10W-40. I had some oil consumption on the Hurricane -92, about the same as on yours. I found it annoying since I then knew the engine was closer to best before date than wanted to be usable for many years without renovation. For normal use it would have last many years and it runned absolutely great, but I drive more than 10 000 km's/year and (to) often at maximum power, so I don’t need an engine with obvious signs of aging. The day it starts to smoke it would not be possible to sell for a normal price. I used an $8 motorcycle full synthetic to keep the engine maximum protected. The oil was 10W-40, and if I would have used 15W-50 the price would have been doubled, and it doesn't reduce the oil consumption in proportion to that price. The oil prices in Sweden are wird. Normal prices for a full synth at gas stations is $ 25 per quart.
< Message edited by R1000 -- 9/10/2006 12:56:25 AM >
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RE: synthetic oil, true or false??? - 9/10/2006 2:50:10 AM
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Phill
Posts: 35
Joined: 8/24/2006
From: central coast NSW Australia
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I run a fleet of 30 trucks (prime movers and semi trailers). I use synthetic oil in the gearbox and diffs on all of them now. I do regular oil testing (through a lab) and have found the wear rate ,based on metal content in the samples, is greatly reduced. It costs A LOT to have a truck off the road and possibly up to $8000 AUS to repair a gearbox or diff so the extra cost of synth oil is worth it.
Having said that, there is no reason to use synthetic oil in your bike (I dont) if you change the oil regularly and the filter.
Very basically, when you change the oil and filter you get rid of any impurities in the oil and what ever is trapped in the filter. the oil is designed to lubricate AND remove and trap impurities Eg unburnt fuel, carbon etc as a result of combustion.
It makes a difference going from mineral to synth oils in terms of longevity of oil , extended oil change intervals etc, and wear rates, but you can go back and forth between types with no major effects.
Overall, if you change the oil and filter regularly its good! I have used the cheapest oil I could find in some bikes I've owned because they were leaking with no noticable adverse effects, Ive seen the diference a race oil makes to horsepower on a dyno run. There are HUNDREDS of reasons to use one oil or the other.
The most important thing is to change it regularly.
sorry for the long post I could go on and on but Im sure you get the Idea
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RE: synthetic oil, true or false??? - 9/10/2006 3:50:50 AM
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MarkR
Posts: 975
Joined: 8/20/2005
From: Gold Coast, Australia
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I think nearly everything been said is spot on, just one question, as this effects me
does different oil affect the wear or running of the clutch?
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RE: synthetic oil, true or false??? - 9/10/2006 7:30:16 AM
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chesthing
Posts: 207
Joined: 7/3/2006
From: castle rock, co
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I've always heard that fully synthetic oil will reduce oil burning in engines that do that...I guess I'll either dispell or prove that one. What do you guys think of an oil additive like Restore? think that would mess with the clutch?
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RE: synthetic oil, true or false??? - 9/10/2006 7:56:03 AM
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peterk
Posts: 152
Joined: 6/16/2006
From: Blue Mountains, NSW, Australia
Status: offline
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Thanks for the imput guys, lots of good info...
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