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What is this box for?

Posted: Mon Apr 06, 2015 2:25 am
by Bigdownut
Hello newbe here with a 1977 R80/7.
Can anyone please tell me what this box is for? I have noticed on other bikes round cylinder things that look like coils are in its place.
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Re: What is this box for?

Posted: Mon Apr 06, 2015 3:53 am
by barryh
It will have originally been a police bike. The box is a shield to prevent the ignition coils causing interference with the radio.

Re: What is this box for?

Posted: Mon Apr 06, 2015 3:56 am
by Bigdownut
Thank you mate. Did the s models and police bikes have the 40 kw motor with the 9:1 compression ratio? I have run a check on the engine number and it looks like a s model.

Re: What is this box for?

Posted: Mon Apr 06, 2015 12:58 pm
by barryh
Bigdownut wrote:Did the s models and police bikes have the 40 kw motor with the 9:1 compression ratio? I have run a check on the engine number and it looks like a s model.
That I don't know. This is the place I look to date serial numbers. http://www.bmbikes.co.uk/chassispages/e ... sis800.htm

Re: What is this box for?

Posted: Mon Apr 06, 2015 3:56 pm
by Bigdownut
Thanks for the serial number link. Mine is 6025906 which is the s model with the 40 kw 9:1 motor. :D

Re: What is this box for?

Posted: Mon Apr 06, 2015 6:55 pm
by SteveD
Bigdownut wrote:Thanks for the serial number link. Mine is 6025906 which is the s model with the 40 kw 9:1 motor. :D
10/77 R80/7 ECE
http://www.bmw-z1.com/VIN/VINdecode-e.cgi

Re: What is this box for?

Posted: Mon Apr 06, 2015 9:52 pm
by Bigdownut
SteveD wrote:
Bigdownut wrote:Thanks for the serial number link. Mine is 6025906 which is the s model with the 40 kw 9:1 motor. :D
10/77 R80/7 ECE
http://www.bmw-z1.com/VIN/VINdecode-e.cgi
Hi Steve thanks for the info. Not sure what the ECE means.

Re: What is this box for?

Posted: Mon Apr 06, 2015 11:20 pm
by SteveD
Bigdownut wrote:
SteveD wrote:
Bigdownut wrote:Thanks for the serial number link. Mine is 6025906 which is the s model with the 40 kw 9:1 motor. :D
10/77 R80/7 ECE
http://www.bmw-z1.com/VIN/VINdecode-e.cgi
Hi Steve thanks for the info. Not sure what the ECE means.
Europe.