BMW K bikes (Bricks)

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1Back to top Go down   Fan rebuild | Laser cutting service Empty Fan rebuild | Laser cutting service on Tue Feb 23, 2016 4:23 am

Chocolate

Chocolate
Life time member
Life time member
If anybody is interested in getting a new fan, here is a way how to mount.

The plan and pictures are from a other forum.

You will need a laser cutting service, if you make 10 pieces, it will not be more than 5€ a piece, or less.

You will find the SPAL fan on eBay or somewhere else.

Fan rebuild | Laser cutting service <a href=Fan rebuild | Laser cutting service Image20" />


DXF File

PDF File


Fan rebuild | Laser cutting service 17_Luefterhalter
Fan rebuild | Laser cutting service <a href=Fan rebuild | Laser cutting service Image14" />

Fan rebuild | Laser cutting service <a href=Fan rebuild | Laser cutting service Image16" />

Fan rebuild | Laser cutting service <a href=Fan rebuild | Laser cutting service Image17" />

Fan rebuild | Laser cutting service <a href=Fan rebuild | Laser cutting service Image18" />

Fan rebuild | Laser cutting service <a href=Fan rebuild | Laser cutting service Image19" />

Cheers


__________________________________________________
Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

2Back to top Go down   Fan rebuild | Laser cutting service Empty Re: Fan rebuild | Laser cutting service on Tue Feb 23, 2016 12:30 pm

duck

duck
Life time member
Life time member
Who needs a template or laser cut? All you need is two scraps of aluminum.

Fan rebuild | Laser cutting service Spalfa2


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

3Back to top Go down   Fan rebuild | Laser cutting service Empty Re: Fan rebuild | Laser cutting service on Tue Feb 23, 2016 2:50 pm

Chocolate

Chocolate
Life time member
Life time member
Yeah, seams to work, leasy going, looks interesting Duck :-)
I prefer spending 4€ for a laser cut stainless steal, 
good old over engineering!
It will last longer then the rest of the bike and looks better.
The difference between US and German production :-)
The other 9 are birthday presents for free.

I even did this
Fan rebuild | Laser cutting service Senker

Cheers


__________________________________________________
Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

4Back to top Go down   Fan rebuild | Laser cutting service Empty Re: Fan rebuild | Laser cutting service on Tue Feb 23, 2016 11:12 pm

Point-Seven-five

Point-Seven-five
Life time member
Life time member
Following the instructions on another forum I just took the OEM fan out of the bracket, cut the bracket in half on the horizontal, and pop riveted it to the Spal frame.  About 5 minutes with a round file had the top hole reshaped to line up with the hole in the radiator and I reinstalled everything.  Total time to hack the frame and put the Spal in it was about a half hour, and another 10 minutes to solder the electrical connections.


__________________________________________________
Present:
1994 K75RT
1991 K100RS
1988 K100RS SE

Past:
1994 BMW K75S
1992 BMW K100RS
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

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