Author Topic: 79 G5 Build  (Read 6730 times)

Online Antietam Classic Cycle

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Re: 79 G5 Build
« Reply #30 on: May 07, 2020, 08:34:58 AM »
"Shift drum pawl". Not sure part you mean for sure, but I have a bin full of used 5 spd. parts.
Charlie

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Re: 79 G5 Build
« Reply #31 on: May 08, 2020, 09:45:09 PM »
Hi Charlie. The pawl that spring loads into the shift drum detents to positively index each gear. Part no. 55234700. I ordered from overseas after striking out here. I should have called you. I am sorry. Ben
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

Online Antietam Classic Cycle

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Re: 79 G5 Build
« Reply #32 on: May 08, 2020, 09:50:05 PM »
Hi Charlie. The pawl that spring loads into the shift drum detents to positively index each gear. Part no. 55234700. I ordered from overseas after striking out here. I should have called you. I am sorry. Ben

I've always called that the "detent plunger". I have a few. Must have missed your request for one here.
Charlie

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Re: 79 G5 Build
« Reply #33 on: May 09, 2020, 09:48:24 PM »
You didnít miss it. I didnít think to post a request.  I struck out on the larger parts suppliers although Curtis Harper was gracious enough to be willing to locate one.  I jumped the gun and ordered overseas and so paid an exorbitant amount for one Iíll probably get in three weeks or so. Iím new to Guzzis and the forum. Iíll know next time. Thanks anyway.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #33 on: May 09, 2020, 09:48:24 PM »

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Re: 79 G5 Build
« Reply #34 on: May 29, 2020, 11:04:50 PM »
I picked up my heads today. That will move the Guzzi firmly into the on deck circle.  I alao picked up the rebuilt mag for my Matchless single, installed it and timed the mag.  First start - hopefully- tomorrow.  Than reassemble the Commando primary and go to town on the Guzzi.   Best to everyone. 
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #35 on: February 13, 2021, 10:13:38 PM »
Finally back to the G5.  I havenít been near it since early last Spring. Tonight I loose laced the front hub with ss spokes from Buchananís. One of the few things I dare doing inside the house since the only messy part is the thread anti seize.  It is so nice working near my wife, plus it is about 30 in the garage.




a

Next up truing the wheels. Iím so glad to be back working on this bike.  It would be so nice to have it running by Memorial Day.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #36 on: February 14, 2021, 05:07:51 PM »
Front wheel bearing carriers and disks installed. I reversed the circlip for installation of the calipers behind the forks.


a
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #37 on: February 14, 2021, 11:13:48 PM »
Front wheel trued to about .030Ē. Iím going to finish it tomorrow to get runout as low as I can,  then work on the rear wheel.


a
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #38 on: February 15, 2021, 10:17:50 PM »




Wheels are done. They will never look this good again.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

Online Antietam Classic Cycle

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Re: 79 G5 Build
« Reply #39 on: February 16, 2021, 09:11:22 AM »
 :thumb: :thumb:
Charlie

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Re: 79 G5 Build
« Reply #40 on: February 16, 2021, 09:52:28 AM »
Nice work, love seeing those rims restored. Is there a reason for moving the calipers to the rear, personal preference?
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Online Dave Swanson

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Re: 79 G5 Build
« Reply #41 on: February 16, 2021, 10:21:18 AM »
Nice job on those wheels!  My T3 California rims were in similar shape.  Its amazing how much work just the wheels can be!! 
Dave Swanson - Northern IL
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Re: 79 G5 Build
« Reply #42 on: February 17, 2021, 07:09:48 AM »
Nice work, love seeing those rims restored. Is there a reason for moving the calipers to the rear, personal preference?

Iím just musing Grover.  Iíve been all over the map on the build.  Now itís going to be stock seat and tank, police bars, floorboards, white frame and light blue bodywork.  I still think the forward calipers look kind of clunky.  I can always swap the bearing carriers and fork legs back.  Iím also plotting a solo seat and (gasp) CB360 tank which will sit on top of the frame rails. Iím not going to alter any frame mounts so that I can revert to stock anytime.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #43 on: February 28, 2021, 02:24:12 PM »
Progress without progress. I got space cleared and all of the parts organized.  Once I install the steering stem and U-Joint carrier bearings I can get the steel painted.  Also sorted parts to go to the plater.  I still need to disassemble the shift and brake pedals for plating.




Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #44 on: March 01, 2021, 10:08:51 PM »
Installed steering stem, U-Joint and swingarm bearings and taped off and bolted the frame and swing arm for painting.  Circling the gearbox warily before a second attempt at assembly and shimming.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #45 on: March 06, 2021, 10:42:16 PM »
Frame etc. delivered to the painter yesterday.  Two week time frame hopefully.  Small parts off to Intíl. Chromium Plating in Providence today. Headlight rim, fender mounts, shift and brake levers, headlight ears.  Large parts like engine guards, tail rack and my Norton headlight will go with the next batch.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #46 on: March 07, 2021, 08:59:16 AM »
...and he called this morning to tell me the painted parts are ready. 24 hour turnaround.  I always overpay him in cash.  Now if only the weather would get over 40F so I can spend more than a half hour in the garage.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #47 on: March 07, 2021, 05:09:38 PM »
Steel parts painted before and after:





Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

Offline Groover

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Re: 79 G5 Build
« Reply #48 on: March 07, 2021, 07:59:40 PM »
Looking great! Which finish did you decide on? Looks like a satin?
1981 Moto Guzzi V1000G5
1987 Moto Guzzi LM1000SE, a
1987 Moto Guzzi LM1000SE, b
1980 Piaggio Vespa P200E
1980 Piaggio Vespa P125X
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Re: 79 G5 Build
« Reply #49 on: March 07, 2021, 09:17:44 PM »
Looking great! Which finish did you decide on? Looks like a satin?

Satin two part.  It came out great. Ken told me the two coats took almost two quarts.  He gave me the excess paint and hardener so that I can touch up. Iím sure I will need to after the engine installation.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #50 on: March 08, 2021, 09:58:26 PM »
Gearbox disassembled again, shimmed and assembled.  Now itís shifting fine on the bench.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #51 on: March 14, 2021, 05:21:40 PM »
Tires and tubes installed today. IRC Durotours and IRC regular weight tubes.  Iíve used their tubes for years and like them. I bought a gallon of Slip Tac tire lubricant and it worked great.



Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

Online Antietam Classic Cycle

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Re: 79 G5 Build
« Reply #52 on: March 14, 2021, 07:06:05 PM »
Tires and tubes installed today. IRC Durotours and IRC regular weight tubes.  Iíve used their tubes for years and like them. I bought a gallon of Slip Tac tire lubricant and it worked great.





My favorite tubes as well. Never tried their tires though.
Charlie

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Re: 79 G5 Build
« Reply #53 on: March 14, 2021, 09:17:12 PM »
I backed into IRC Duro tires for my Matchless Charlie.  They were the only 19Ē Trials tires I could find and the tread matched the old Dunlops pretty well. The quality seems good.  Their tubes hit just right on price and quality and Iíve never had a failure other than installation pinching.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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Re: 79 G5 Build
« Reply #54 on: March 20, 2021, 05:30:21 PM »
Engine is ready for installation in the frame.  After ruining two intermediate plates I figured out how to use the MG Cycle clutch alignment tool. The gearbox install was surprisingly easy.



Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

Offline Groover

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Re: 79 G5 Build
« Reply #55 on: March 21, 2021, 08:27:17 AM »
Nice work! :thumb:
1981 Moto Guzzi V1000G5
1987 Moto Guzzi LM1000SE, a
1987 Moto Guzzi LM1000SE, b
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1980 Piaggio Vespa P125X
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Offline Kane

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Re: 79 G5 Build
« Reply #56 on: April 19, 2021, 03:44:42 PM »
Very nice.
Your Norton looks great, too!

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Re: 79 G5 Build
« Reply #57 on: April 19, 2021, 10:10:33 PM »
Thanks Kane. The Norton is running beautifully at least for the next few days.  Then something will fall off.  I got the engine and frame together today between trips to the office and hauling mulch.  I hung the frame from above and pumped up the lift table.  It worked pretty well.





Groover - youíll be glad to know I decided to keep the bike black with white striping.  Iím going with a T3 dual seat, dual gauges with white faces, civilian bars and floorboards. I have a nice G5 seatcover from England but need to find a good pan as mine is pretty well rusted out.  I also have a solo seat to try out. Iím keeping all the parts to put it back to a pure G5 if need be.
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

Offline Groover

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Re: 79 G5 Build
« Reply #58 on: April 21, 2021, 03:08:14 PM »
G5-specific restoration quality inspector here reviewing your plan with a big checkmark of approval - you may proceed, but don't go crazy. Those white face clocks.... that is pushing the limit, but sure.. go ahead..  :azn: 


Kidding - all sounds like a great plan!
1981 Moto Guzzi V1000G5
1987 Moto Guzzi LM1000SE, a
1987 Moto Guzzi LM1000SE, b
1980 Piaggio Vespa P200E
1980 Piaggio Vespa P125X
1980 Vespa Grande Moped
1980 Vespa SI Moped
http://scooteropolis.com/

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Re: 79 G5 Build
« Reply #59 on: April 21, 2021, 10:14:58 PM »
Roger that Groover. The stock monogauge just feels like a bridge too far for me.  Here are the gauges. 

https://shop.revivalcycles.com/motogadget-motoscope-classic-tachometer/

Very expensive at $579 each.  They are designed for solo use but Iím going to install a speedo and a tach and water jet cut a mounting plate.   Itís strange to have one gauge cost almost three times the bike price.

Ben
Ben Zehnder
Orleans, MA USA
1971 BMW R75/5
1972 Norton Commando Combat Interstate
1977 BMW R100S - next up to unload
1978 Yamaha SR500
1979 Moto Guzzi V1000G5 - T3FB mild custom
1980 Moto Guzzi v50ii

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