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1Back to top Go down   Woodepecker at 3000 RPM Empty Woodepecker at 3000 RPM on Tue Aug 14, 2012 7:44 am

88

88
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Hi all - I took a spin last night and noticed a sound I'm pretty sure is coming up from the front of the engine. At 2700-3700rpm like a drilling or tapping sound, almost like a metalic woodpecker (if that makes any kind of sence).

It's most noticeable under slow acceleration or load and I cannot get it with the bike stationary.

I inspected the cam chain recently and found everything to be in reasonable good condition and within all wear limits.

Since doing that I have felt that the timing is off a bit in that rev range too but she's running sweet at 5k on the tacho and no evidence of the noise.

Any ideas?

88KE


__________________________________________________
Woodepecker at 3000 RPM Ir-log11 88....May contain nuts!Woodepecker at 3000 RPM Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

2Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 14, 2012 8:52 am

caferacer62

caferacer62
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Hi 88, could the noise be coming from the timing chain guides?
Just a thought.


__________________________________________________
Bert 2.0

Don't give in to the Black Dog!
"A Zorst, a zorst my kingdom for a Zorst"

Woodepecker at 3000 RPM 170874
    

3Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 14, 2012 8:56 am

92KK 84WW Olaf

92KK 84WW Olaf
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I did read the guides can fail due to age. I am planning to replace chain, guides etc over the winter.

92KK


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 103,800 miles
1983 K100RS 0011171 Fricka 606 29,495 miles Damn K Pox Its a Bat outta Hell Now 36,188  miles
    

4Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 14, 2012 9:47 am

mike d

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Hi 88KE,

The description sounds like pinking or pre-ignition. If you hear the noise when the engine is labouring, change down a gear or two and see if it goes away.

When did you last check the timing, is it a little advanced?

Mike

    

5Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 14, 2012 9:52 am

92KK 84WW Olaf

92KK 84WW Olaf
Life time member
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I go with Miked comment on pinking, anyway its the easier of the two to address. I lived near a hill for years and got used to that sound.


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 103,800 miles
1983 K100RS 0011171 Fricka 606 29,495 miles Damn K Pox Its a Bat outta Hell Now 36,188  miles
    

6Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 14, 2012 10:06 am

RicK G

RicK G
VIP
VIP
Sounds like it could be detonation, what grade of fuel do you use.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

7Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 14, 2012 11:05 am

92KK 84WW Olaf

92KK 84WW Olaf
Life time member
Life time member
Rick, we generally only have one grade of petrol, unleaded. I think 95 octane. I dont have any petrol motors apart from the K but having two diesel cars can tell you there is a lot of bad fuel around. I find a lot more water and dirt in it and end up changing filters far more often. Possible cause is a regularly used garage altering their supplier.


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 103,800 miles
1983 K100RS 0011171 Fricka 606 29,495 miles Damn K Pox Its a Bat outta Hell Now 36,188  miles
    

8Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 14, 2012 12:38 pm

88

88
Life time member
Life time member
Thanks guys - describing noises is nigh on impossible but it sounds like "y'all" are onto it. I shall try retartding the ignition a tad when I get back from a few days break in portugal (no riding there this time I'm afraid.) and report again.

I use the normal unleaded stuff here which is 95 octane and pretty much all that's available around here. Petrol in Ireland only comes in 2 types refined here (a very small amount) in Whitegate or Imported. The oil companys operate an effective pooling of stock so brand differenciation is purely phsycological.

88KE


__________________________________________________
Woodepecker at 3000 RPM Ir-log11 88....May contain nuts!Woodepecker at 3000 RPM Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

9Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 14, 2012 2:23 pm

92KK 84WW Olaf

92KK 84WW Olaf
Life time member
Life time member
The reason I mentioned the petrol supplier is that the stuff via Whitegate is not necessarily the same and I understand the ethanol content of that and the direct import can differ!!!

92KK


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 103,800 miles
1983 K100RS 0011171 Fricka 606 29,495 miles Damn K Pox Its a Bat outta Hell Now 36,188  miles
    

10Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 14, 2012 9:02 pm

RicK G

RicK G
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They shouldn't detonate on 95 well good 95 that is. I always try to run on 98 and occasionally have to use 95 but that is mainly because I get much better consumption on 98.
You were saying you had a look at the camchain so maybe when you put it back together it ended up a bit far advanced but you can go 4 deg with out any problems, actually it helps the low end torque.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

11Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 2:21 pm

88

88
Life time member
Life time member
Hi All, just back after a couple of days away and have finally found a few minutes to retard my timing.

When Clockwise (advance) or c/clockwise (retard) the sensor ring is spoken about I presume this is looking at the sensor from the front engine cover to the back of the bike so clockwise means turning the ring to the left hand side (left when sitting on the bike that is)?

thanks

88


__________________________________________________
Woodepecker at 3000 RPM Ir-log11 88....May contain nuts!Woodepecker at 3000 RPM Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

12Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 2:23 pm

Inge K.

Inge K.
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The crankshaft is running anticlockwise, wiewed from the front of the engine.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

13Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 2:37 pm

charlie99

charlie99
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will have a look at rene z's "how to" http://k100rt.aforumfree.com/t3804-checking-the-timing-of-a-k100

you should end up with the half moons about equal to each other


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OWoodepecker at 3000 RPM Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

14Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 2:48 pm

88

88
Life time member
Life time member
Thanks Inge & Charlie. I'm running back and forth to "Rene's bible" My cup doesn't even have marks like his just a punched dot at the base setting.

I'm only confusing myself at this stage I think, over thinking it maybe go for a spin and gentle try it? :| .

88


__________________________________________________
Woodepecker at 3000 RPM Ir-log11 88....May contain nuts!Woodepecker at 3000 RPM Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

15Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 2:58 pm

charlie99

charlie99
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should look like this

Woodepecker at 3000 RPM IMG_2012


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OWoodepecker at 3000 RPM Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

16Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 3:01 pm

Inge K.

Inge K.
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88KE wrote:My cup doesn't even have marks like his just a punched dot at the base setting.

The marks isn`t at the cup, but on a big "washer" underneat the cup.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

17Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 3:59 pm

Inge K.

Inge K.
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88KE wrote: My cup doesn't even have marks like his just a punched dot at the base setting.

Could it be that you have been looking at the maximum advance this mark?

Woodepecker at 3000 RPM Maks_f10



Last edited by Inge K. on Fri Aug 31, 2012 8:54 pm; edited 1 time in total (Reason for editing : correcting info.)


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

18Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 5:32 pm

88

88
Life time member
Life time member
@Inge K. wrote:[
Could it be that you have been looking at the maximum advance mark?

Yes Inge that's what I have been looking at....couldn't get my big head far enough around to see the rest Rolling Eyes

Back together now and timing slightly retarted ....might go for a little night ride to see if it's better Surprised-o:

Thanks Guys
88


__________________________________________________
Woodepecker at 3000 RPM Ir-log11 88....May contain nuts!Woodepecker at 3000 RPM Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

19Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 5:37 pm

Inge K.

Inge K.
VIP
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Have a nice late evening trip!
Hope you have achieved correct adjustement........


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

20Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 7:48 pm

88

88
Life time member
Life time member
@Inge K. wrote:Have a nice late evening trip!
Hope you have achieved correct adjustement........

Cheers Inge! Nice night for a run here. The adjustment is a big improvement but not quite totally sweet but definitely moving in the right direction - i shall continue to "tweak it" Woodepecker at 3000 RPM 112350.



88


__________________________________________________
Woodepecker at 3000 RPM Ir-log11 88....May contain nuts!Woodepecker at 3000 RPM Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

21Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Tue Aug 21, 2012 7:51 pm

charlie99

charlie99
VIP
VIP
take a pic will ..nice to see whats not quite right ...


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OWoodepecker at 3000 RPM Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

22Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Wed Aug 22, 2012 8:29 am

88

88
Life time member
Life time member
@charlie99 wrote:take a pic will ..nice to see whats not quite right ...

Here ya go Charles!....
Woodepecker at 3000 RPM Img_0811

The big washer "thingo" was in the wrong way around meaning the max advance mark was the timing mark etc. Somebody who recently painted the covers must've not been paying attention on ressembly Woodepecker at 3000 RPM 652573

Anyhoo..... all back together correctly now and fine searching for the sweet spot continues!
88


__________________________________________________
Woodepecker at 3000 RPM Ir-log11 88....May contain nuts!Woodepecker at 3000 RPM Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

23Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Wed Aug 22, 2012 8:47 am

charlie99

charlie99
VIP
VIP
dang will ...yes that would certainly throw a few rocks in the mix of things eh?

like in the pics i have seen the 2 half moons cutouts should pretty much line up ol mate

good luck !


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OWoodepecker at 3000 RPM Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

24Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Sun Sep 02, 2012 7:37 pm

88

88
Life time member
Life time member
I have been playing with the timing adjustment for the past week, retarding it in very tiny adjustments (less than a millimeter or the outer diameter of the ring) and retesting. Last Thursday I took it for a run and it seemed really sweet so after the run I marked it and adjusted it one more millimeter, the test ride confirmed that this was the step too far. I returned it to the sweet spot marked and went for a really fantastic ride tonight. The bike is running smother more eagerly with less buzzing than ever in the 2 years I've had it. The reduction in buzziness allows me to identify the rattles and vibrations that are left (heat sheild and fairing liners).

I'm still hearing the rattle that got my attention first but very reduced and in a much shorter rev range (someone in another post described a sound like a chain being run over the edge of a table and that's pretty close). This I have decided is cam chain related and most probably guides as there was some wear in them. I will do a full cam chain kit and shims in the winter and do the timing again after that.

Thanks all for the input.

88


__________________________________________________
Woodepecker at 3000 RPM Ir-log11 88....May contain nuts!Woodepecker at 3000 RPM Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

25Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Mon Sep 03, 2012 3:55 am

ReneZ

ReneZ
Life time member
Life time member
Can you show us a picture where you ended up with? It would be great to see a few, so we have an idea if there is consistency with the sweet spot, as I don't think you can really fit these sensors any different on the fitting plate.


__________________________________________________
Greetings from Florida! Having a 'new' K  :cyclops:    Surprised-o: 

Rene


BMW K100 - 1985 (0030029) Woodepecker at 3000 RPM Rain
BMW K1200GT - 2003 (ZK01223)
    

26Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Mon Sep 03, 2012 4:04 am

rosskko

rosskko
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88KE wrote:(someone in another post described a sound like a chain being run over the edge of a table and that's pretty close). This I have decided is cam chain related and most probably guides as there was some wear in them. I will do a full cam chain kit and shims in the winter and do the timing again after that.

Thanks all for the input.

88
Pick me.
That is what I am trying to diagnose right now, but I have decided mine is to the rear of the bike (gearbox). Did you have the rattle nose before playing with timing and now it is better? Mine rattles at 2900 under acceleration and slowing then goes to silent running again below 2900.
Wondering if I should give the HS a bit of a twist to see if it helps. Might save pulling off the gearbox ( see my resto thread).
rossco

Tried the hall sensor. No difference. At least it was worth a try.



Last edited by rossco on Mon Sep 03, 2012 4:17 am; edited 1 time in total (Reason for editing : info added)


__________________________________________________
1986 K100RT VIN 0093801K100RT with summer fairing for a northern visitor

Basic/2 6308802K100CJ  05/1988

K1100RS 0194321
    

27Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Mon Sep 03, 2012 6:28 am

88

88
Life time member
Life time member
I'll take a pic and post it Rene (Never Thought of it when I had the cover off Rolling Eyes ).

Rossco, yes the noise is from the cam end was there before I adjusted the timing.

I've been following your resto thread. Try running the motor without the heatshield and if the noise is eliminated you can refit and pack it with some fireproof material like stove door rope etc. There's definately a couple of threads on the subject.

88


__________________________________________________
Woodepecker at 3000 RPM Ir-log11 88....May contain nuts!Woodepecker at 3000 RPM Ir-log11

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

28Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Mon Sep 03, 2012 6:53 am

rosskko

rosskko
VIP
VIP
I wish I had the heat shield on still. There is nothing that should be making that noise on the bike.
The gearbox is coming off. All I can think is the clutch is crook. Will check it. Ordered new bolts just in case it needs to come off and be refitted.
Thanks 88


__________________________________________________
1986 K100RT VIN 0093801K100RT with summer fairing for a northern visitor

Basic/2 6308802K100CJ  05/1988

K1100RS 0194321
    

29Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Mon Sep 03, 2012 7:12 am

RicK G

RicK G
VIP
VIP
Have you checked the monkey nutz on the alternator drive?


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

30Back to top Go down   Woodepecker at 3000 RPM Empty Re: Woodepecker at 3000 RPM on Mon Sep 03, 2012 7:20 am

rosskko

rosskko
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VIP
Was that to me Rick? I have not checked them since I put it back together. They were in good nick, but troublesome to get back in place. Had not thought they could make a rattle/ vibration but I guess they could. Will have a good look at them to see if there is any sign of them being in bad shape.


__________________________________________________
1986 K100RT VIN 0093801K100RT with summer fairing for a northern visitor

Basic/2 6308802K100CJ  05/1988

K1100RS 0194321
    

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