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Geoff
Flying Brick Rider
Joined: 08 Feb 2007
Posts: 551
Location: Illinois
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 Posted: Thu Aug 14, 2008 8:23 am Post subject: Oil Consumption |
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During a recent trip my '94 RS burned about 1 quart of 20 w 50 motor oil about every 750 miles. The bike has 26k miles. Is this normal consumption? I use BMW dino oil. Would a switch to synthetic reduce consumption?
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2000 R1100RT
2008 H-D Electra Glide Ultra Classic |
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owrstrich
Flying Brick Rider
Joined: 29 Oct 2006
Posts: 2566
Location: CheezConsin
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| Posted: Thu Aug 14, 2008 9:18 am Post subject: |
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geoff...
the bug eye motobrick was using a quart of castrol 20w50 about every 1000 miles last year...
then my last oil change... about 6,000 miles ago... only 1 quart the whole time... nothing has changed in our riding style...
i know im past due for new oil... just waiting till october... it gets new oil in october and april regardless of miles...
crazy aint it...
jo
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yeeeeeehaaaaaaa... |
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA
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| Posted: Thu Aug 14, 2008 9:33 am Post subject: |
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It's not shown in the ETK but K bikes have a secret oil hiding reservoir which refills the oil sump at random intervals. My RS seems to unburn oil every now and then.
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93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
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CheapJapCopy
Mad Brick Rider
Joined: 17 Dec 2007
Posts: 137
Location: Berlin, Germany
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| Posted: Thu Aug 14, 2008 11:04 am Post subject: |
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Sadly some of them drink it.
However: Use of nice, say Silkolene for instance, oil, can dramatically reduce consumption.
I went from 1l per 1000miles down to 500ml per 1000miles by stringently sticking to the same, quality oil when topping up from the last change, instead of sticking any old crap in. YMMV, but if you take this advice, I can almost guarantee an improvement.
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1992 K1100RS - Red and gold. |
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SugarHillCTD
Site Admin
Joined: 10 Oct 2007
Posts: 4238
Location: Now in Eastern Pennsylvania
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| Posted: Thu Aug 14, 2008 3:01 pm Post subject: Re: Oil Consumption |
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| Geoff wrote: | | During a recent trip my '94 RS burned about 1 quart of 20 w 50 motor oil about every 750 miles. The bike has 26k miles. Is this normal consumption? I use BMW dino oil. Would a switch to synthetic reduce consumption? |
OK- this coincidence is spooky- just today I experienced a similar situ.
Just a couple of weeks ago I was surprised to check and see that oil consumption was down to 1/2 quart for 1500 miles (previously it had been 1500 miles/quart).
Today I checked and it needed 1/2 quart for the past 750 miles.
So for one period it had decreased by 50% but the consumption is now right back to where it had perviously been. 
Oh well- a mind of its own......
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John & Cathy
'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F. |
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA
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| Posted: Thu Aug 14, 2008 3:15 pm Post subject: Re: Oil Consumption |
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| SugarHillCTD wrote: | | Geoff wrote: | | During a recent trip my '94 RS burned about 1 quart of 20 w 50 motor oil about every 750 miles. The bike has 26k miles. Is this normal consumption? I use BMW dino oil. Would a switch to synthetic reduce consumption? |
OK- this coincidence is spooky- just today I experienced a similar situ.
Just a couple of weeks ago I was surprised to check and see that oil consumption was down to 1/2 quart for 1500 miles (previously it had been 1500 miles/quart).
Today I checked and it needed 1/2 quart for the past 750 miles.
So for one period it had decreased by 50% but the consumption is now right back to where it had perviously been.
Oh well- a mind of its own...... |
Hence my comment above about K bikes hiding oil and putting it back in. And you guys thought I was joking.
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE |
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SugarHillCTD
Site Admin
Joined: 10 Oct 2007
Posts: 4238
Location: Now in Eastern Pennsylvania
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| Posted: Thu Aug 14, 2008 4:18 pm Post subject: Re: Oil Consumption |
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| Flying Duck wrote: |
Hence my comment above about K bikes hiding oil and putting it back in. And you guys thought I was joking. |
Between my problem with the ABS that "self healed" and now this changing oil consumption situation I am starting to believe that a K is capable of ANYTHING- good or bad.
My apologies, Mr. Duck, for doubting your wisdom. Now- what does your crystal ball say about the future of crude oil prices?
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John & Cathy
'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F. |
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chopper_harris
Flying Brick Rider
Joined: 28 Dec 2007
Posts: 232
Location: Nr Wigan, UK
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| Posted: Thu Aug 14, 2008 4:51 pm Post subject: |
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What do you call it - 'Christine' 
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C1 200 (2001)
R100 RS (1990)
NSU Quickly N (1964)
Honda 400/4 F1 (1977)
MotoGuzzi 1000C (1978)
Suzuki TL 1000 R (1999)
Kawasaki KLV1000 (2005)
K12R Sport (2007) - Wifeys |
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SugarHillCTD
Site Admin
Joined: 10 Oct 2007
Posts: 4238
Location: Now in Eastern Pennsylvania
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| Posted: Thu Aug 14, 2008 5:21 pm Post subject: |
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| chopper_harris wrote: | | What do you call it - 'Christine' |
Actually I have named it Hades since it is a really hot place.
So perhaps its weird behavior is demonic possession??
FD, since you are wise in all sorts of things, can you perform an exorcism via the internet?
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John & Cathy
'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F. |
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duckbubbles
Flying Brick Rider
Joined: 01 Jun 2006
Posts: 361
Location: Austin, Texas, USA
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| Posted: Thu Aug 14, 2008 7:00 pm Post subject: |
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You guys make me feel good. My 60K or so K11 engine uses about 3/4 quart in 5000 miles.
Frank
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85 K100/1100RS, 321,000 miles, 25 years
96 Ducati 900SS/SP, sold it
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400,000 BMW miles |
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA
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| Posted: Thu Aug 14, 2008 7:33 pm Post subject: Re: Oil Consumption |
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| SugarHillCTD wrote: | | My apologies, Mr. Duck, for doubting your wisdom. Now- what does your crystal ball say about the future of crude oil prices? |
I can't even guess how much oil I'll see in the sight glass - and you think I can prognosticate oil futures? 
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE |
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Geoff
Flying Brick Rider
Joined: 08 Feb 2007
Posts: 551
Location: Illinois
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| Posted: Mon Aug 18, 2008 10:40 am Post subject: |
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| CheapJapCopy wrote: | Sadly some of them drink it.
However: Use of nice, say Silkolene for instance, oil, can dramatically reduce consumption.
I went from 1l per 1000miles down to 500ml per 1000miles by stringently sticking to the same, quality oil when topping up from the last change, instead of sticking any old crap in. YMMV, but if you take this advice, I can almost guarantee an improvement. |
What's Silkolene, an additive in oil? I use BMW 20 w 50. Does it contain Silkolene?
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2000 R1100RT
2008 H-D Electra Glide Ultra Classic |
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johnpeter
Joined: 14 Aug 2008
Posts: 20
Location: Los Alamitos, SoCal
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| Posted: Mon Aug 18, 2008 12:31 pm Post subject: |
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http://www.silkolenestore.com/
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When the only tool one has is a hammer...everthing looks like a nail.
Red '91 K75S w/WILBERS damper..daily rider. Wanna K11RS
'79 Guzzi..stalled project
'77 900SS Duc to restore...For Sale |
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abreeze
Flying Brick Rider
Joined: 17 Jun 2006
Posts: 671
Location: atlanta
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| Posted: Mon Aug 18, 2008 5:39 pm Post subject: |
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it would be interesting to see how the relitive heat & humidity is affecting the consumption.
my aircraft would blow out alot of oil in the humid summer days. |
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Off the grid
Chaotic Good
Joined: 05 Jul 2006
Posts: 3414
Location: At the local taco truck waiting for Jo.
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| Posted: Mon Aug 18, 2008 7:00 pm Post subject: |
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My oil consumption drops by half in the cold weather.
Another reason I love riding when it's brisk out.
Plus it makes the bike pretty much as fast as it can be.
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Bane of your existence since July 2006
2007 Triumph Tiger ABS. "Sabertooth"
2009 Husqvarna TE610. "The dirty Italian mistress"
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Shoganai
Biscuit Fluffer
Joined: 27 Apr 2005
Posts: 2234
Location: Culpeper,VA
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| Posted: Tue Aug 19, 2008 6:21 am Post subject: |
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I'm thinking about opening the SW and looking at the valves and rings.
I'm burning a qt/ 1000 miles and looks like Puff the Magic dragon from behind. That's up from a pt/ 3000 miles.
Mine has 170,000+ miles on it.
If I do, I'll post the pics, story and finding over in my Shop Whore thread.
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1993 K1100RS aka The Shop Whore
1994 K1100RS aka Blue Streak
The long road is a rainbow and the pot of gold lies there.
So slip the chain and I'm off again,
You'll find me everywhere. I'm a Rover. - JT
Nana korobi ya oki |
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mike toon
Mad Brick Rider
Joined: 16 May 2008
Posts: 117
Location: Beautiful Downtown Burbank CA
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| Posted: Tue Aug 19, 2008 12:32 pm Post subject: |
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| abreeze wrote: |
my aircraft would blow out alot of oil in the humid summer days. |
I can see the heat of summer making engines run hotter but the humidity shouldn't have any affect since our engines cool by heat transfer from the radiator, not evaporation like on our skin.
My oil consumption is up in the heat. Seems I'm topping off every few hundred miles.
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Current Bikes
1993 K1100LT
1976 GL1000 Naked
1981 GL1100 Naked
2000 DR650 Dual Sport |
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CheapJapCopy
Mad Brick Rider
Joined: 17 Dec 2007
Posts: 137
Location: Berlin, Germany
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| Posted: Tue Aug 19, 2008 3:42 pm Post subject: |
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| Shoganai wrote: | I'm thinking about opening the SW and looking at the valves and rings.
I'm burning a qt/ 1000 miles and looks like Puff the Magic dragon from behind. That's up from a pt/ 3000 miles.
Mine has 170,000+ miles on it.
If I do, I'll post the pics, story and finding over in my Shop Whore thread. |
Yeah, that'd be really nice.. Thanks for being honest - sadly this seems to happen sometimes. Keep us posted!
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1992 K1100RS - Red and gold. |
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lostboy
Joined: 19 Dec 2007
Posts: 5
Location: MD
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| Posted: Sun Sep 07, 2008 11:07 pm Post subject: Oil Consumptiom |
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Many K1100s use excessive quantities of oil. A few of them, after using it long enough, will build so much sticky black carbon that they keep an exhaust valve from closing and the valve burns. If your bike is using a lot of oil, remove the exhaust system and inspect the ports. If you find a blackened exhaust port, you may want to take preventative measures.
Unfortunately, these "measures" require engine disassembly. |
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CheapJapCopy
Mad Brick Rider
Joined: 17 Dec 2007
Posts: 137
Location: Berlin, Germany
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| Posted: Mon Sep 08, 2008 3:31 pm Post subject: Re: Oil Consumptiom |
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| lostboy wrote: |
Unfortunately, these "measures" require engine disassembly. |
A Blast at 130mph turns the inside of my exhaust white, and presumably burns any crud off.. Well, any sustained period of riding over 8k RPM will do the trick.
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1992 K1100RS - Red and gold. |
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