Triumph Motorcycle Frame VIN Number Locations

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Triumph motorcycle engine numbers are stamped into the case just below the cylinder.
Triumph VIN or frame numbers are stamped into the frame on the head-stock viewed by turning the handle on some models the number is stamped into the down tubes in front of the tank.

On many early Triumph models the number can be found on the frame under the tank or on the engine mounting lug in front of the engine.
Frame VIN numbers usually match the engine number for bikes built from about 1960 onward.

​The engine number is located on the left side of the engine immediately below the cylinder barrel flange. The number is stamped onto a raised lug
Triumph motorcycle engine numbers often have prefix indicating the model type

List of Triumph Motorcycle Models 1990 onwards

Daytona 750     
Daytona 1000     
Trophy 900     
Trophy 1200     
Trophy SE[1]     
Trident 750     
Trident Sprint 900     
Sprint 900     
Sprint 900 Sport     
Sprint 900 Executive     
Daytona 900     885 cc     
Daytona 900 Super III     
Daytona 1200     
Thunderbird 900     
Triumph Adventurer 900     
Thunderbird Sport 900     
Daytona T595     955 cc     
Daytona 955i     955 cc     
Daytona 600     
Daytona 650     
Daytona 675     
TT 600     
Scrambler 900     
Thruxton 900     
Sprint RS         
Sprint ST     
Sprint GT     
Legend TT          
Speedmaster     
Speedmaster 900     
Adventurer     
Triumph Bonneville America     
Rocket III     
Triumph Bonneville Bobber     
Triumph Bonneville T100     
Triumph Bonneville T120     
Speed Triple 750     
Speed Triple 900          
Speed Four     
Tiger 900     
Triumph Thunderbird