1955 TWN 350 Boss

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51triumph
Beiträge: 10
Registriert: 28 Apr 2020: 12 57

1955 TWN 350 Boss

Beitrag von 51triumph » 28 Apr 2020: 22 21

Hello, I have restored my BDG 250H to 100% original and still have quite a few new original parts left. I am now restoring my 350 Boss and need some parts. I need the rubbers for the bottom of the rear shock absorbers and desperately looking for the 2 front banana shaped exhaust pipes. I would really appreciate some help on this.
Best Regards
allan from New Zealand.

Andreas Pfeiffer
Beiträge: 392
Registriert: 04 Okt 2006: 21 06
Wohnort: Fellbach-Oeffingen

Re: 1955 TWN 350 Boss

Beitrag von Andreas Pfeiffer » 29 Apr 2020: 10 00

Good morning my Friend vom New Zealand,

my English is not so good,but I will do my best.

This rubber Parts vom the rear shockabsorber are identic with BOSS or BDG250 . In Germany tere is an Dealer Name : Weißwange in Kaltenkirchen
you can find him in the Internet. The Bananas will be a Problem,the orig. will be most demoliert or lost.

Fa.Motorradteile Mölln produced in the last Years New,but very expensive.
This Dealer ends last Year. I have some Literatur about the BDG and BOSS in Copy as Book with more than 60 Pages

When you need help,ill be there.

DEA :D

51triumph
Beiträge: 10
Registriert: 28 Apr 2020: 12 57

Re: 1955 TWN 350 Boss

Beitrag von 51triumph » 29 Apr 2020: 11 31

Thank you very much, I will find them on the internet. there is no problem with the English, I really appreciate your help. I also have a 1951 BDG 250 hard tail in a 100% restoration. I even have enough new original parts to build another one. The problem is just my 350 Boss. I know of this company that finished last year, I nearly purchased the exhaust manifold from them 2 years ago but they were $1800 NZ. Now I'm not happy with myself that I didn't get them.
Many thanks
Allan

51triumph
Beiträge: 10
Registriert: 28 Apr 2020: 12 57

Re: 1955 TWN 350 Boss

Beitrag von 51triumph » 29 Apr 2020: 12 03

Thank you this is a big help, there are some parts there I can order straight away.
:D

51triumph
Beiträge: 10
Registriert: 28 Apr 2020: 12 57

Re: 1955 TWN 350 Boss

Beitrag von 51triumph » 30 Apr 2020: 11 59

Hi, can anyone help me with a wiring diagram for the 350 Boss please.

Christian Wolf
Beiträge: 381
Registriert: 18 Jul 2003: 22 05
Wohnort: Zimmern

Re: 1955 TWN 350 Boss

Beitrag von Christian Wolf » 30 Apr 2020: 14 13

Voila

Schaltplan-Boss0001.JPG
Schaltplan-Boss0001.JPG (194.74 KiB) 1081 mal betrachtet

Without brakelight

Schaltplan-Boss0002.jpg
Schaltplan-Boss0002.jpg (161.16 KiB) 1081 mal betrachtet

Andreas Pfeiffer
Beiträge: 392
Registriert: 04 Okt 2006: 21 06
Wohnort: Fellbach-Oeffingen

Re: 1955 TWN 350 Boss

Beitrag von Andreas Pfeiffer » 30 Apr 2020: 21 21

Sehr gut Jungs, deshalb gibt es solche Foren.

Danke DEA :D

51triumph
Beiträge: 10
Registriert: 28 Apr 2020: 12 57

Re: 1955 TWN 350 Boss

Beitrag von 51triumph » 01 Mai 2020: 00 23

Thank you and thank you very much. When I took this apart some years ago I marked all the wires with white paint with a map. Now I see the paint has faded and I cant determine which wires are where.

These diagrams are perfect, thank you gentlemen. :D

51triumph
Beiträge: 10
Registriert: 28 Apr 2020: 12 57

Re: 1955 TWN 350 Boss

Beitrag von 51triumph » 01 Mai 2020: 01 40

Hello again. I'm going to rebuild the exhaust pipes. Can someone please tell me if the curved pipe inside is important for the tuning or can it be removed. To me it looks like it will cause a restriction to the gases getting out and contribute to losing some power.

Your thoughts and some help please.
Dateianhänge
Exhaust.jpg
Exhaust.jpg (175.91 KiB) 1063 mal betrachtet

Christian Wolf
Beiträge: 381
Registriert: 18 Jul 2003: 22 05
Wohnort: Zimmern

Re: 1955 TWN 350 Boss

Beitrag von Christian Wolf » 02 Mai 2020: 14 53

Hi
The Boss pipe is no tuned pipe that delivers more power as we know it from modern schnuerle twostrokes . It is only for noise reduction.
I would not take out the tube. Without it maybe you get some resonance that you don´t want.
No tuned pipe does not mean that the system isn´tuned. I hope you know what I want to say.

51triumph
Beiträge: 10
Registriert: 28 Apr 2020: 12 57

Re: 1955 TWN 350 Boss

Beitrag von 51triumph » 03 Mai 2020: 02 30

I understand Christian, and thank you, I will refit the pipe when the exhaust repairs are completed.
:D

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