BMW K bikes (Bricks)


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Reg

Reg
Silver member
Silver member
Wonder, would anyone have a tool to remove the steering head race on a K11?

    

Two Wheels Better

Two Wheels Better
Moderator
Moderator
A steel bar, approx 10"/255mm long, with a notch ground out of it near the end for getting under the edge of the outer race, and a short slice of it taken out mid-stem - opposite the end notch - which allows for the proper angle at the stubborn race, does wonders. This one's stainless steel and has been used for yonks on Airheads and K bikes.
K1100, steering head race removal tool Bearin10

I've also moved the thread from Troubleshooting - General to Troubleshooting - Special Tools and Jigs.


__________________________________________________
The forest was shrinking, but the trees kept voting for the axe, for the axe was clever, and convinced the trees that because his handle was made of wood, he was one of them. -Turkish proverb
1977 R75/7-100, '93 K11/K12 Big Block, '93 K1100RS, '95 R100 Mystic, '96 K1100RS, 2 x '98 K1200RS, '06 K1200R & '09 K1300GT
    

jbt

jbt
Life time member
Life time member
Easy and quick: weld a bead on the race. The retreat will contract the race and it will fall down by itself.
Use arc welding, it's the sudden heat that makes it happen.
Don't forget to disconnect the ground wire before!

K1100, steering head race removal tool Photo_28


__________________________________________________
Let us enjoy the transient delight
That fills our fairest day.
    

Dai

Dai
Life time member
Life time member
Done both; they are as good as each other. The arc bead is probably easier.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

Reg

Reg
Silver member
Silver member
Thanks Guys , is there a better picture of that tool?

    

Two Wheels Better

Two Wheels Better
Moderator
Moderator
Reg wrote:Thanks Guys , is there a better picture of that tool?
Grind a 'place of purchase' into the tip like this.
K1100, steering head race removal tool 20250116
On the opposite side of the shaft from your tip grinding endeavour, about halfway up the shaft, make a cut-out so the shaft can be tilted enough to properly get under the outer race. One or two good blows with a solid hammer will send that ring flying.
K1100, steering head race removal tool 20250117
You'll likely hardly ever need it again, but in lieu of access to a welder (not in the average homeowner's arsenal) you'll be the envy of the neighbourhood, and of your tool-deprived, bearing removal needy friends. No one will kick sand in your eyes again. Charles Atlas be damned.
K1100, steering head race removal tool Charle10


__________________________________________________
The forest was shrinking, but the trees kept voting for the axe, for the axe was clever, and convinced the trees that because his handle was made of wood, he was one of them. -Turkish proverb
1977 R75/7-100, '93 K11/K12 Big Block, '93 K1100RS, '95 R100 Mystic, '96 K1100RS, 2 x '98 K1200RS, '06 K1200R & '09 K1300GT
    

Rolf E

Rolf E
Silver member
Silver member
I am also in the process of replacing the steering column bearings. Welding a bead worked well to get the cups out.  Is there any trick to get the bottom inner race off easily?

K1100, steering head race removal tool 20250110

Then this is what I did to get the front wheel assembly out without dismantling the unit. I took the rear wheel off and hung a counter weight on the back to lift the front. Have someone hold the assembly as it slides out:

K1100, steering head race removal tool 20250112
K1100, steering head race removal tool 20250111


__________________________________________________
1991 K100RS 16V VIN: K100RS 0200487 Engine# 104EB 3790 2230 Charcoal 166000km
1991 K100RS 16V VIN: K100RS 6408910 Engine# 104EB 2290 2130 Pearl White 217000km
1991 K100RS 16V VIN: K100RS 0200487 Engine# 104EB 1091 2053 Pearl White 77000km
1989 K75s VIN: K75s 0108752 Engine# 753EA42894104
https://www.teuntin.co.za
    

Dai

Dai
Life time member
Life time member
Cut through the roller cage with a Dremel, have fun chasing the loose rollers round the bench and then slot through the inner race with the same Dremel until you think you are nearly through to the stem. Finally, split the inner race with a hammer and cold chisel.

At least, that's how I do it.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

jbt

jbt
Life time member
Life time member
Rolf E wrote:I am also in the process of replacing the steering column bearings. Welding a bead worked well to get the cups out.  Is there any trick to get the bottom inner race off easily?
 
Use an hydraulic press to separate the axle from the triple tree by sliding downwards. The inner race will be removed.
Don't forget to mark the position of the axle to the triple tree to respect it when re-assembling.


__________________________________________________
Let us enjoy the transient delight
That fills our fairest day.
    

Rolf E

Rolf E
Silver member
Silver member
jbt wrote: 
Use an hydraulic press to separate the axle from the triple tree by sliding downwards. The inner race will be removed.
Don't forget to mark the position of the axle to the triple tree to respect it when re-assembling.


Thanks Dai. That is also what I would do or give is sudden high heat (after removing the race) and try to wedge it up sufficiently to allow puller jaws to grab the inner race.

But, jbt, now you have mentioned something I have never heard or thought of! Is my understanding correct in the following picture? 

K1100, steering head race removal tool 20250113

If so does the axle have splines? what keeps it in position? What stops it from going the other way over time?

Looking forward to hear from you.


__________________________________________________
1991 K100RS 16V VIN: K100RS 0200487 Engine# 104EB 3790 2230 Charcoal 166000km
1991 K100RS 16V VIN: K100RS 6408910 Engine# 104EB 2290 2130 Pearl White 217000km
1991 K100RS 16V VIN: K100RS 0200487 Engine# 104EB 1091 2053 Pearl White 77000km
1989 K75s VIN: K75s 0108752 Engine# 753EA42894104
https://www.teuntin.co.za
    

Rolf E

Rolf E
Silver member
Silver member
Hi Dai, the Clymer manual also mentions jbt's method. Shocked I took a good look at it and gave it a go. It worked well. The K75 is back on the road and I am enjoying every minute of it. No more "looseness" up front.

K1100, steering head race removal tool 20250114


__________________________________________________
1991 K100RS 16V VIN: K100RS 0200487 Engine# 104EB 3790 2230 Charcoal 166000km
1991 K100RS 16V VIN: K100RS 6408910 Engine# 104EB 2290 2130 Pearl White 217000km
1991 K100RS 16V VIN: K100RS 0200487 Engine# 104EB 1091 2053 Pearl White 77000km
1989 K75s VIN: K75s 0108752 Engine# 753EA42894104
https://www.teuntin.co.za
    

Dai

Dai
Life time member
Life time member
Ah well. For me, it was a carry-over from removing the lower race from Moto Guzzis. In that case the recommended way is to pull/cut the lower rubber dust shield off and then using a couple of blunt cold-chisels or similar as wedges, hammer them into the small gap left by the dust cover to lift the race. As that very rarely worked (or not easily), over the years I migrated to using a hacksaw to split the race, then an angle-grinder (!!!) and finally a Dremel. On seeing my first K100 steering head bearing, my first and only thought was 'Guzzi Method No.4'. Three bearing down so far, but I'll take a look at the 'official' method next time.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

Reg

Reg
Silver member
Silver member
The k11 will be tip top shortly , parts on the way .. built for lots of miles done quickly Wink

    

Rolf E

Rolf E
Silver member
Silver member
Great, hope all goes well and you can enjoy your brick as much as I am enjoying mine.


__________________________________________________
1991 K100RS 16V VIN: K100RS 0200487 Engine# 104EB 3790 2230 Charcoal 166000km
1991 K100RS 16V VIN: K100RS 6408910 Engine# 104EB 2290 2130 Pearl White 217000km
1991 K100RS 16V VIN: K100RS 0200487 Engine# 104EB 1091 2053 Pearl White 77000km
1989 K75s VIN: K75s 0108752 Engine# 753EA42894104
https://www.teuntin.co.za
    

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