Greg Marsh Enterprises

When it absolutely must be done right and with integrity, you need Greg Marsh Enterprises. Our motto, promise, mission, and ethic is: Satisfaction Guaranteed!

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Voltage Drop


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Updated 09/17/21

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Updated 09/18/21

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Updated 04/25/21

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Building a Mobile
Motorcycle Table
Updated 6/2/2020


Chain Helper
Updated 05/09/21

Cable Helper
Updated 11/17/20

Wiring Helper
Updated 08/15/21

AMAL Float Height
Updated 08/24/20

Tri-Spark Products
Updated 05/09/21

Restoration Service

AMAL Carbs for Sale

AMAL Tickler Conversion


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Currently Available


1970 Triumph Bonneville. $13,000 OBO. Completely rebuilt. Every bearing replaced in the entire bike and most bushings as well, new fork tubes, spokes, rims, and tires, professionally painted and hand pinstriped. Rebuilt speedo and tach. All new wiring. Tri-Spark ignition and MOSFET regulator. New exhaust. New seat. In short, this is basically a new bike. See the writeup and pictures of it being built here and it's advertised here.

Coming Soon


1974 Triumph Trident.  When parked it was running fine but needed a new clutch bearing.  Turns out that the clutch plate had uneven wear from the previous owner not properly assembling the clutch - waiting on a replacement plate.  Also, the sprockets were just OK - since it was apart I installed new sprockets and a new chain.  The tank is nice and painted in the correct 1974 colors, but the pin stripes we not hand done so they look too good.  I may treat this one to a new set of Amal Premier Aluminum carbs.  It will have an Tri-Spark ignition and MOSFET regulator and a new wiring harness.  It will be a well-sorted rider and I'm guessing it will sell in the $9000 range.

Two people have asked me for Nortons so I now know what will come after the two Tridents.  The 74 Trident is off the table since the remain work can be done standing or sitting in a chair - mostly wiring.  The 72 Norton Roadster Combat I'm building for a customer is now on the table, see: Customer Combat.  Once my 74 Commando rider comes off the other table, I'll start on a 74 Commando.  I plan to document both as they start differently from the others already documented.  I'm also going to build a third table so I can more easily work three at a time.

I have 11 more coming after these - if there's a bike you've been dreaming of, check with me.  I may have one in the queue and can move it up the list.

Recently Sold


1973 Triumph Trident. This bike was running great when I bought it in PA and needed some TLC to be a good rider - that was about 3 years ago. I've finally got around to finishing it. The front end is rebuilt, the disc turned, the caliper and master cylinder rebuilt, new front tire (rear was new when I got it). The side panels professionally repaired and painted. The exhaust header is new, the pipes are original but in decent shape.  Both mufflers are OEM Triumph.  The right side it used but in good shape.  The left side is NOS. The Tri-Spark ignition and MOSFET Voltage regulator are installed and I've made a new wiring harness.  I had the OEM tank painted all black (painter couldn't do stripes).  He was supposed to leak check/fix before painting.  There was a pinhole that he didn't fix.  I sent the tank to my current painter in CA and it is beautful and painted correctly for a 73 Trident.  It is a well well-sorted rider I sold for under market to an Acess Norton member.

1974 Norton Commando Roadster. $13,000. Completely rebuilt. Every bearing replaced in the entire bike and most bushings as well, new fork tubes, spokes, rims, and tires, new tank and side panels (not India), new exhaust, professionally painted and hand pinstriped. Rebuilt speedo and tach. All new wiring. Tri-Spark ignition and MOSFET regulator. cNw breather and James Comstock exhaust ports replaced. In short, this is basically a new bike. After being sold, the buyer wanted it upgraded to a 520 chain and cNw e-start.  He also wanted the red set of tank and side panels I had.  See the writeup and pictures of it being built and upgraded here.











Burlen, the parent of the AMAL Carb Company    The AMAL Carb Company    Tri-Spark, inovative electrical products for the Vintage British Motorcycle    Wassell, the 70+ year old suppliers of British Motorcycle parts    Central Wheel Company, the 120+ old suppliers of spokes and rims
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 8116 Arlington Blvd. #171, Falls Church, VA 22042, (703) 200-4025