Charm City Choppers - Motorcycle Service and Repair

Great low rates...
professional service.

With over 45 years of combined experience, we serve the Baltimore area for full, expert service on Harley Davidson, American V-Twin Motorcycles. We are a full Motorcycle Repair and Service shop from Oil changes to full rebuilds -- all projects are welcome.

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Motorcycle Repair and Service - We offer a full range of motorcycle repair services including custom motorcycle painting, crash repairs, insurance claim repairs, gas tank repair, bodywork repair. Crankshafts, complete engines, wheels, frames, tanks, fenders... Full Service shop including fabrication, building of your next custom bike. We carry a full line of Synthetic & regular petroleum based Lubricants.

Motorcycle restorations. Our shop is equipped to rebuild any American v-twin on two wheels; Flat heads, knuckles, pan heads & shovels, evolutions & twin cams if you can't get to our shop - we'll pick it up for you. Motorcycle towing is available.

Tire Service: we do not repair tubes or tires we only replace with new for safety reasons all types and sizes available.

Lace & True Wheels: replace your wheel with new spokes stainless, chrome, twisted or custom we can true the wheel for you in house in a short time.

Expert electrical and wiring: from single wire repair to full wiring harness we do not use butt connectors we only solder and shrink wrap to save with future problems.

Engine and Transmission overhauling: experienced in Flathead: 1929-1936, Knucklehead: 1936-1947, Panhead: 1948-1965, Shovelhead: 1966-1985, Evolution: 1984-1999, Twin Cam 88: 1999

Custom Builds: Check out our custom built choppers - we can make your idea come to life!

Harley's V-Twin Engine

Then

Harley's first v-twin

Harley's First V-Twin
1909-1911
45-degree 49.5 cubic w/ 7hp

Now

V-Twin Now

Harley's V-Twin
Now
2007 "Twin Cam 96"

Engines:

Flathead engine Flathead: 1929-1936
The Flathead was named because of the telltale flat vented tops that are recognizable at the top of each cylinder head. 45cu The engine proves to be so reliable that variations of it are available on Harley-Davidson motorcycles as late as 1973. (Pictured is a 45" "R" 1932-36)

Knucklehead engine Knucklehead: 1936-1947
On the eve of WW2, Harley-Davidson® introduced an overhead- valve V-twin® with "knuckly" covers on the valves.
Overhead valve EL-61cu 40hp
Side valve-80cu

Panhead: 1948-1965
New features are added to the 61 and 74 overhead valve engines, including aluminum heads and hydraulic valve lifters that supplied oil through rocker arms, the panhead hit the market in 1948, named for the pan-like cover where the knuckles used to be.

sportster engine Sportster: 1957-present
1957 The motorcycling public met a new motorcycle called the Sportster. It premiers as a 55 cubic inch overhead valve engine.
1959 XLCH Sportster Engine

Shovelhead

Shovelhead: 1966-1985
By 1966 the Panhead underwent still more improvements, the most noticeable being the distinctive enclosed cylinder head in a sleek, slightly curved top. At a glance this looks unmistakably like a shovel with the pushrods resembling the handle of a shovel, and the head, the shovel itself.

vtwin Evolution: 1984-1999
In 1984 on the heels of a bold employee buyout of AMF, The motor company went public and introduced it's now famous redesign of the v-twin. This radical new design utilized styled square blocks to house the valves.
4-Cycle, 45 Degree V-Type, 1340cc, 80cu compression: 8.5:1, Oil-bath diaphragm clutch and electronic ignition.

Twin Cam 88TM: 1999-2006 & Twin Cam 88BTM 2000-2006
With numerous American motorcycle manufacturers trying to surface and re-surface Harley-Davidson introduces it's most revolutionary engine yet. The Twin Cam 88TM gets its name from its two cams.
B= Balanced 1450cc

Twin Cam 96 Twin Cam 96 2007-Present
Compression 9:2:1 EFI
1st side-valve motor: 1926 - single cylinder.
1st side-valve twin: 1929 45" "D"
Side-valve motors made until 1973.
Racing H-Ds of the '20s were the "JD", "JDH" etc. single & twin-cam 1000 & 1200 cc IOE, and "pea-shooter" (21" 350cc OHV single), not side-valve. 1st successful racing side-valve was the mid-1930s RLDR 45".