1981 GPz1100 B1 Rstomod / ELR "Tribute"

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19 Jan 2024 04:33 #894165 by Wookie58
Replied by Wookie58 on topic 1981 GPz1100 B1 Rstomod / ELR "Tribute"
That end cap looks "familiar"   but the engraving and press work just takes it to another level

 
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19 Jan 2024 04:56 #894166 by howardhb
Replied by howardhb on topic 1981 GPz1100 B1 Rstomod / ELR "Tribute"
That certainly is a "familiar" shape Wookie!
Nice turning job, your lathe is "earning its supper"

H.

'81 GPz 550 D1
'81 GPz 1100 B1 ELR "Tribute" www.kzrider.com/our-forum/11-projects/61...-elr-tribute?start=0
'82 Yamaha YB100 Fizzie
'79 Suzuki GT200 X5 TWO STROKE TWIN - SMOKER!
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04 Mar 2024 02:05 - 04 Mar 2024 21:35 #895921 by howardhb
Replied by howardhb on topic 1981 GPz1100 B1 Rstomod / ELR "Tribute"
Finally, I've finished the Kerker pipe....

I sand-blasted the chromed outer surface, to ensure good paint adhesion...




To be sure, it is a REAL Kerker...




I had to fabricate a new baffle pipe, to fit inside the end-cap (I had to modify it, to correct the damage that the PO had inflicted on it)
32mm OD, mild steel pipe.
I made 680 drill centre marks, but drilled 520, 4mm holes




I have spray-painted the end-cap and pipe, with Rustoleum Ultra High Heat, satin black paint.
Afterward, I riveted on my "home made" Kerker emblem.
(had to fabricate a new hanger bracket too...)

Installed, it looks the part, and sounds sweeeeet!



H.

'81 GPz 550 D1
'81 GPz 1100 B1 ELR "Tribute" www.kzrider.com/our-forum/11-projects/61...-elr-tribute?start=0
'82 Yamaha YB100 Fizzie
'79 Suzuki GT200 X5 TWO STROKE TWIN - SMOKER!
Last edit: 04 Mar 2024 21:35 by howardhb.
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04 Mar 2024 02:30 #895922 by Wookie58
Replied by Wookie58 on topic 1981 GPz1100 B1 Rstomod / ELR "Tribute"
I take it you don't have a "Custom Chrome" distributor in your part of the world, I bought a meter of pre-drilled tubing for £15 

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04 Mar 2024 02:56 - 04 Mar 2024 03:50 #895923 by howardhb
Replied by howardhb on topic 1981 GPz1100 B1 Rstomod / ELR "Tribute"
No such luck Wookie!

I used my  lathe to mark out 17 rows and 40 coulmns, then centre-punched 680 drill centre marks ! ! !

However, I ommitted to drill a few rows in the middle area of the tube, thinking it would assist in getting the airflow to go IN at the entrance and OUT at the exit...



The sound is fairly quiet, deep and "throaty" below 5000 rpm...
After 5000 the note changes to a convincing ROAR !

H.

 

'81 GPz 550 D1
'81 GPz 1100 B1 ELR "Tribute" www.kzrider.com/our-forum/11-projects/61...-elr-tribute?start=0
'82 Yamaha YB100 Fizzie
'79 Suzuki GT200 X5 TWO STROKE TWIN - SMOKER!
Last edit: 04 Mar 2024 03:50 by howardhb.
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04 Mar 2024 03:16 #895924 by Wookie58

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02 Apr 2024 11:29 - 02 Apr 2024 11:45 #897172 by howardhb
Replied by howardhb on topic 1981 GPz1100 B1 Rstomod / ELR "Tribute"
I can hardly believe a whole YEAR has gone by, since finishing the "Tribute" !
(I've ridden close to 10 000km on it already) 

Always so satisfying to ride, and brings a smile every time I sling my leg over...

Here she is, in final trim, photographed yesterday evening...


 

Whatever will be next?....

H.

'81 GPz 550 D1
'81 GPz 1100 B1 ELR "Tribute" www.kzrider.com/our-forum/11-projects/61...-elr-tribute?start=0
'82 Yamaha YB100 Fizzie
'79 Suzuki GT200 X5 TWO STROKE TWIN - SMOKER!
Last edit: 02 Apr 2024 11:45 by howardhb.
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02 Apr 2024 11:47 #897173 by Wookie58
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29 Apr 2024 06:44 - 30 Apr 2024 04:33 #898219 by howardhb
Replied by howardhb on topic 1981 GPz1100 B1 Rstomod / ELR "Tribute"
Howdy folks!

The fairing mounting brackets that I designed and 3D printed do not do my build justice!
However, they served their purpose, as I could use their dimensions to accurately 3D model new metal brackets, that replicate the OE items!

Here is my design of the Left hand side upper bracket, in METAL...


Having access to a laser cutter and CNC bender at work (and a very generous boss ) make fabrication quite trivial!

Here is the result, welded and painted...


This is the lower mounting bracket, which is screwed onto the brake pipe manifold, under the headlight...


The full set:


Installed:
I used all the anti vibration rubber mounting bits that I printed previously.


Alignment is as good as the original...
⅛" clearance all round (to the headlight)


Big Mamma, and Li'l sis...


What remains now is to paint the wheels gold... sometime in the future!

H.

'81 GPz 550 D1
'81 GPz 1100 B1 ELR "Tribute" www.kzrider.com/our-forum/11-projects/61...-elr-tribute?start=0
'82 Yamaha YB100 Fizzie
'79 Suzuki GT200 X5 TWO STROKE TWIN - SMOKER!
Last edit: 30 Apr 2024 04:33 by howardhb.
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29 Apr 2024 07:27 #898220 by Wookie58
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