From 1946 to 1974 Norton machines had matching engine and frame numbers. Commando's after engine number 307311 have frame numbers that start from F100000. Beginning in 1969, Triumph started using a 2-letter prefix for frame and engine numbers. The first letter indicates the month of manufacture. The second indicates the year of manufacture. The Norton was now named the N.15 C.S. And the engine number was preceded by this designation. The Matchless was named and engine stamped G.15 C.S. Which was the identical stamping for early Norton Atlas Scramblers, ensuring mayhem for later restorers. WD16H engine and frame numbers. The only valid position for a Norton applied frame number is on the left hand front petrol tank frame lug casting. Engine number is found on the left top corner of the left crankcase half, see pictures below. Also found on many early engines is a Quality control stamp consisting of a broad arrow over an M.

• Norton Serial Number Lookup
• Norton Serial Key
• Norton Engine Serial Numbers Decoder
• Pontiac Engine Serial Numbers

For information about a specific make or model of a motorcycle, the owner must have the frame (chassis) and engine numbers. Unfortunately, different manufacturers use different numbering systems and often place the numbers in odd places.

62801 / 69999 Model 18: Push-rod engine; Diamond frame; bore and stroke, 79 x 100. Model 19: Push-rod engine; Diamond frame; bore and stroke, 92 x 113, or 79 x 100. Model ES2: Push-rod engine; cradle frame; bore and stroke, 79 x 100. 70000 / Model 18: Eng.

For information about a specific make or model of a motorcycle, the owner must have the frame (chassis) and engine numbers. Unfortunately, different manufacturers use different numbering systems and often place the numbers in odd places. Classic Motorcycle Numbers Motorcycle Serial Numbers & VIN Numbers Motorcycle Serial Number Locations These vary considerably from marque to marque Engine Numbers Check these locations: Below the barrel stamped into the crankcase. On the front of the engine stamped either side of the crankcase join. Below the clutch / transmission area.

Later motorcycles (post-70s) typically have a stick-on decal or plate on the headstock. Besides detailing the bike's engine and frame number, the decal will show the makers, the model and year of manufacture. However, the model information can be confusing as machines offered for sale after September (in the United States) will technically be the following year's model.

For example, a motorcycle with a year model stated as 10/1982 on the VIN (Vehicle Identification Number) decal will actually be a 1983 model. Hp psc 1410 driver download.

Matching Numbers

Early motorcycles generally had the same number for the engine and frame (often referred to as matching). However, occasionally an engine case (containing the original number) may have been replaced due to damage and will not, therefore, have a number stamped on it. Alternatively, the owner may have stamped the new case to match the frame number; a practice that may be frowned upon, but if photographed and logged properly, will not greatly affect the value. (This is a typical example of when it is imperative to save the old parts.)

Norton Serial Number Lookup

Locating Numbers

Locating a frame number on an early machine, especially one that is dirty and in need of restoration (barn fresh for example), can be challenging. However, typically, the number will be found in one of the following locations:

• Headstock (the most common location)
• Frame down tubes
• Lower frame rails (at the side)
• Stamped onto the plate that carries the swingarm pivot
• Under the gas tank on the frame's top tube
• Engine mounting plate (front or rear)

Engine numbers are generally stamped into aluminum cases. The location varies between manufacturers but will be located on the crankcases, just below the cylinder.

Autocad line to polyline command block. The following prompts are displayed when you are drawing straight polyline segments. Next point Specifies the endpoint of a straight polyline segment. Arc Switches from drawing straight segments to drawing arc segments. Close Draws a line segment from the last point specified to the starting point, creating a closed polyline. Convert Lines to Single PolyLINE. Converting a group of lines in a polyline is slightly more long winded than the reverse process. It requires that the lines must be connected ie snapped at their ends with no gaps. Press the Edit Polyline tool on the Modify group drop.

Help Through Clubs

Norton Serial Key

Identifying a classic motorcycle from its frame and/or engine number is important for parts ordering or valuation purposes. Willing and able to help in this process are the many make specific clubs. In particular, the UK's Vintage Motorcycle Club Ltd. will undertake a search of any vintage motorcycle for a small fee (no charge if they cannot find the appropriate information).

Norton Engine Serial Numbers Decoder

Assuming the manufacturer is still in business, their websites are also a good source of information if the researcher is willing/able to spend time sifting through the various pages.

Pontiac Engine Serial Numbers

Finally, a word of caution: a classic motorcycle may be listed in a sale as a particular year and model but the prospective purchaser must research the engine and frame numbers to ensure they match the claimed model a model year error, for instance, can make a big difference to the value of a motorcycle.