K11 Owners Group

Flying Duck · Posted: Sun May 04, 2008 9:33 am Post subject: Question for metalheads

The bolts that hold the front brake rotor carriers seem to be a somewhat soft metal. (At least it seems that way given how easy it is to strip the heads on them. Rolling Eyes

)

So I'm considering replacing those with stainless steel.

Two questions:

1) Will stainless be stronger than stock?

2) Are there corrosion issues using stainless bolts with a) the alloy of the wheels or b) the steel of the carrier?
_________________
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

abreeze · Posted: Sun May 04, 2008 10:49 am Post subject:

i use SS on the calipers and some rotors on other bikes....

You must use type A4/316 SS. This is equivlent to the stock 8.8 Steel.

I have seen less corrosion with SS than Steel.

chopper_harris · Posted: Sun May 04, 2008 11:10 am Post subject:

With a small wipe of Coppaslip (A copper rich grease) on the shank and under the head, you will have no further corrosion worries.
_________________
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

Flying Duck · Posted: Sun May 04, 2008 11:40 am Post subject:

Flying Duck · Posted: Sun May 04, 2008 12:15 pm Post subject:

And where can I find them in the US on the Internet? My Google-fu is not strong today. Sad

_________________
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

Flying Duck · Posted: Sun May 04, 2008 12:50 pm Post subject:

I found some titanium M8x25 button heads - only $7.50 each. Shocked

_________________
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

Jim · Posted: Sun May 04, 2008 1:04 pm Post subject:

You figure out what the pitch is yet?
_________________
Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000

"We shall not all die, but we shall all be changed."

Flying Duck · Posted: Sun May 04, 2008 1:37 pm Post subject:

Not yet.

I did find a site that specializes in motorcycle titanium hardware that says there's only one pitch used for M8 bolts. They have the M8x25 button heads for $5.67 each. I'm considering titanium now. Titanium is COOL.

More info:

http://www.corsemeccanica.com/titanium_fasteners.htm
_________________
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

Jim · Posted: Sun May 04, 2008 1:49 pm Post subject: titanium/ss

Chris at Desmoparts has 8X25 SS at .35 each They're A2-70 Grade (I don't know what that means). But you're right - titanium is cool. How many bolts are needed (bike in shop - can't look)?
_________________
Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000

"We shall not all die, but we shall all be changed."

Flying Duck · Posted: Sun May 04, 2008 1:58 pm Post subject:

Six per side - 12 per front wheel. I'll probably do both bikes so I need 24.

I found some titanium ones on Fleabay for $4.50 each. I messaged the seller and asked him how much he'd want for a lot of 24. We'll see how that turns out.

I also found a shop up in Toronto that has them for $4/each w/ $5 shipping.

I could do both bikes for $100. A bit spendy but very high on the coolness factor.
_________________
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

Jim · Posted: Sun May 04, 2008 3:54 pm Post subject:

Thanks, Drake - keep us posted, please.
_________________
Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000

"We shall not all die, but we shall all be changed."

Technician · Posted: Sun May 04, 2008 5:19 pm Post subject:

Standard metric thread for M8 is 1.25 pitch
_________________
Fat Ba***d with a K1100LTse
Squire D18 trailer
Garmin Zumo 660
"Run it round the block to see if the wheels fall off!!!!"

chopper_harris · Posted: Sun May 04, 2008 6:53 pm Post subject:

Beemers since 1970 have used metric standard (coarse) threads.

Many rice-burners (Suzuki for sure, DAHIK Crying or Very sad

) use metric fine.

This is a PITA, as stainless metric fine bolts and set-screws are not readily available in the larger sizes (m8-m12) in the UK, and are to special order.
_________________
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

Carl · Posted: Sun May 04, 2008 10:37 pm Post subject: Bolts

FD, you might try this guy.
www.theboltguy.com
_________________
Carl

Jim · Posted: Sun May 04, 2008 11:11 pm Post subject: Re: Bolts

mnb · Posted: Mon May 05, 2008 12:01 am Post subject:

Just make sure you get one that goes to 11...

Oh wait... wrong kind of metalhead.

Nevermind!
_________________
M N B
1997 BMW K1100LT ABS Special Edition
2003 Husqvarna TE610e
2007 Harley Davidson Road King
2009 BMW F800GS
2011 Husqvarna TE310
2014 Ducati Multistrada Pikes Peak MNB Edition

bmwmick · Posted: Mon May 05, 2008 8:39 am Post subject:

I've had good luck with Barnhill Bolt
http://www.barnhillbolt.com/index.php?level=product&catid=-1&root=selection&group=&menu=1950&custid=831248152

Mick
_________________
Mick McKinnon
KOG#175
'93 K1100LT, '96 R1100RT, '84 R100RS, 2010 Kawasaki C-14
Tucson, AZ

abreeze · Posted: Mon May 05, 2008 1:08 pm Post subject:

Jim · Posted: Mon May 05, 2008 1:24 pm Post subject: nuts & bolts

Thanks Breeze! I figured someone would know all that stuff. I was hoping there would be some feedback on the titanium. What do you know about that?
_________________
Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000

"We shall not all die, but we shall all be changed."

abreeze · Posted: Mon May 05, 2008 1:58 pm Post subject:

Like Stainless, with 'Ti' you need to know the composition of the Alloy as the values can be so different. Titanium to me is so cost prohibitive...

Even A4(316)SS is 3x the cost of A2(304)SS. And if you go to real high grades of SS. Big Bucks!!

Basically, any bolt with a Yeild of 80-90 kPSI Min. will be suitable for any K11 application. This is equivlent to the stock 8.8 grade steel.

The choice of Metal to be used is dependant on the need. On a race bike the alloy being used might fatigue in 1 race, where as a road bike needs to last years and countless cycles.