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Author Topic: How often do you change the oil with synthetic?  (Read 4938 times)

hypophthalmus

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How often do you change the oil with synthetic?
« on: March 09, 2015, 04:31:28 PM »
The manual recommends changing the oil every 2000km, nearly twice what I did with my last scooter (every 2000 miles). Do I need to be changing it so often with synthetic oil?
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socalsurfrat

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Re: How often do you change the oil with synthetic?
« Reply #1 on: March 10, 2015, 03:10:25 AM »
I was wondering the same thing.  I used AMSoil for a long time on my 05 ZX-6R and let it run 10-15K before replacing.  But that had a real oil filter, the people doesn't.  So my guess is its probably a waste to run synthetic since the people has no filter. 
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de dee

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Re: How often do you change the oil with synthetic?
« Reply #2 on: March 10, 2015, 03:46:46 AM »
  do what ever your scoot manual says , dyno or syn.  it will last for ever , my downtown says 5000 km. ( 3000 ) miles
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TLRam1

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Re: How often do you change the oil with synthetic?
« Reply #3 on: March 10, 2015, 05:17:30 AM »
What he says, I don't know if it does much good w/o a real oil filter.

In my other bikes and cars I will double the oil change intervals.
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Terry
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hypophthalmus

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Re: How often do you change the oil with synthetic?
« Reply #4 on: March 11, 2015, 12:39:57 AM »
Would it help to filter the oil yourself, say with a coffee filter?
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BettinANDlosing

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Re: How often do you change the oil with synthetic?
« Reply #5 on: March 11, 2015, 01:30:11 AM »
I change my oil ecu 1000km with Motul 100% synthetic. Filtering you're own oil won't do any good, the oil filter is for deposits left from combustion, not contamination pre change.
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2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.

2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.

hypophthalmus

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Re: How often do you change the oil with synthetic?
« Reply #6 on: March 11, 2015, 04:05:20 AM »
Not sure if you misunderstood, but I meant filtering the used oil and reusing it.
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BettinANDlosing

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Re: How often do you change the oil with synthetic?
« Reply #7 on: March 11, 2015, 04:48:57 AM »
Oh haha yeah I did. Not worth the hassle IMHO, oil isn't that expensive to just use new stuff.
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2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.

2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.

Grumpy old man

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Re: How often do you change the oil with synthetic?
« Reply #8 on: March 21, 2015, 12:45:13 AM »
My experience was to use either Amsoil 10-40 motorcycle or mobil 1 4T and I changed it at 700 to 1000 miles since there was no filter but I would go on 1000 mile rides so ?
It was worth the extra dollars to go with full synthetic since I was 500 miles away from home at times.   
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BettinANDlosing

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Re: How often do you change the oil with synthetic?
« Reply #9 on: March 21, 2015, 01:49:58 AM »
Synthetic oil is ALWAYS worth it, no matter what vehicle!!! I try to do 1000km oil changes on my 250. The oil starts to look pretty dirty much over that.
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2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.

2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.

Stig / Major Tom

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Re: How often do you change the oil with synthetic?
« Reply #10 on: March 26, 2015, 10:00:52 PM »
I love this....!
Filter the old oil through a Mr. Coffee!!! and re-use it!
Or, or > render down some bear fat and boil soap to get something that is slippery enough to pass as a scooter engine lubricant....or , or - put in some cheap shampoo and bacon fat..
Shoot...4 bucks for a Qt of oil is crazy when we've only spent a few thousand $ for our scooters. 15 mins to change the oil is wasted life.
I say, never change the oil until you feel her starting to seize ...just a touch! Then push her home and get out the coffeee maker.
I love this ....Stig
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Boston Strong
Rural Ohio

And, I'm feeling a little peculiar.

hypophthalmus

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Re: How often do you change the oil with synthetic?
« Reply #11 on: April 03, 2015, 07:52:49 PM »
Bears are in short supply where I live... maybe rabbits though? But I hear they're lean.

I'm not trying to be especially lazy or cheap... after all I'm using synthetic and filtering it would just be an extra step. But if filtration is all that's required to keep the same oil longer, then why not?
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retusaf99

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Re: How often do you change the oil with synthetic?
« Reply #12 on: May 09, 2015, 07:33:08 PM »
Hey guys,
First post here, and just bought my first scooter (2007 Kymco People 250) today, but I'll post more about that topic somewhere more appropriate...

So far as filtering and reusing oil, probably false economy.  I think most experts will tell you it's the additives (think polymer chains) that break down with time/temperature, and it's the additives that need to be replaced.

I read it on the internet, but ASTM is a pretty good source:
https://books.google.com/books?id=opXpuxOVlmAC&lpg=PA33&ots=ecBiTV_US9&dq=polymer%20and%20oil&pg=PA33#v=onepage&q=polymer%20and%20oil&f=false

(Hope the link works).

Doug in Vancouver, WA

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CROSSBOLT

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Re: How often do you change the oil with synthetic?
« Reply #13 on: May 09, 2015, 08:03:38 PM »
Every 3000 miles on DT300i and GTi300 like the manual says and with full synthetic. Filters, too.

My, we have seen a side of Stig we have never seen before! Go, Stig!

Karl
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Karl

Three motorcycles 1960-1977 (restored a 1955 BSA)
Agility 50
Yager 200i
Downtown 300i
Navy tech, Ships Engineer, pilot and aircraft mechanic

Stig / Major Tom

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Re: How often do you change the oil with synthetic?
« Reply #14 on: May 12, 2015, 09:08:41 PM »
Quote from: CROSSBOLT on May 09, 2015, 08:03:38 PM
Every 3000 miles on DT300i and GTi300 like the manual says and with full synthetic. Filters, too.

My, we have seen a side of Stig we have never seen before! Go, Stig!

Karl
I was laughing so hard I could hardly type!
I've run paint through a pair of panty hose - but scooter oil thru a coffee filter - and re-use it!!
Fortunately ol' hypothalmus took it in spirit - guy's probably a brain surgeon.....they have a good sense of humour.
I never knew the hypothalamus could be mistaken for broccoli!

Learning stuff here all the time..
Stig
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Boston Strong
Rural Ohio

And, I'm feeling a little peculiar.

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