1963 Triumph T120 Bonneville 650cc Very Rare !SOLD! For Sale

1963 Triumph T120 Bonneville

Here is a very rare exceptional example of a matching numbers first year unit construction 1963 Triumph 650cc Bonneville. The bike has been restored to concours condition throughout, everything on the bike is as was when it left the factory, even down to the Cadmium plating on all the fasteners and correct gkn, whitey branded bolts no expense spared. I have listed below the breakdown of all the parts on the bike, down to the bearings used within the engine and so forth. I have an in depth photo catalogue of the restoration as well as receipts for parts purchased and work carried out. The bike is road legal, with a current V5 and VMCC Dating certificate. Any questions please call
Or email.

Engine number T120 DU10**

Frame number DU10**

Case half numbers 96

• Early 9 bolt Cylinder head dated 62, with smaller valves and intake ports, new bronze valve guides, valves, re cut seats, valve springs, collets, and original upper and lower cups
• Rocker assembles have been rebuilt using news hardened washers and Thackery washers to provide the correct endplay and spacing, new access caps have been fitted.
• The con rods have been updated with Thunder engineering Lightning Conrods, a high quality conrods made from 7075 T6 alloy (I still have the originals if you would like them)
• New Bronze cam bushes fitted and line reamed.
• Main crank bearing on the timing side converted to RHP taper roller and drive side to RHP Ball bearing as standard.
• New surflex clutch pack, LF Harris clutch backet and springs
• New iwis primary chain
• Brank New Amal 376/ 302 Twin carburettors 1 1/ 16, in conjunction with Amal dual twistgrip
• 6 Volt Vape electronic Ignition conversion
• Original Oil tell tell pressure indicator
• Correct champion plug caps and NGK plugs for reliability
* Nural 9. 1 pistons 0. 040 with Geotze Rings
• Small crankcase drain plug
• Early cases with blanking plug through rear or case, to block hole when factory machined the gearchange quadrant spigot.
• Gearbox Bearings: Main shaft SKF6303
• Layshaft Torrington B. 1112 - M11121
• Engine Bearings Timing side MJ 1 1/ 8" , Drive side MRJA 1 1/ 8"

• NOS Lucas SS700P headlight bowl, and rim
• Original Lucas motorcycle 700 headlight
• Original Lucas SA88 Switches and key
• Lucas 6V L564 rear light
• Original dated 1963 Lucas 8H acorn nut horn
* NOS Lucas wiring loom

• Frame number stamped on head lug.
• Front footrests fit on sub frame lower bolt taper lugs
• Swing arm spindle extracts from drive side
• Main stand fitted with detachable extension arm Extensions welded to feet
• Rear brake pedal mounted to engine plate via a bolted on spindle
• Both rear engine plates do not have provision for footrests
• Petrol tank (USA 3 gall) is pre unit item original (pre unit)
• Enots Petrol taps one standard, one reserve
• Forks are pre unit items
• Rear footrest mounts made from 1/ 8" plate,
• Petrol tank front support bolted on frame not welded
• No logo on rear of seat (R K Leighton)

Front guard and stays are from pre unit model - no dents to clear gaiters
Rear guard Raised center rib
Rear chain guard front section is scalloped to follow contours of the primary chain case - No skirt on lower section - Stop light switch is push type
Tool tray hangs between the oil tank and battery carrier
Oil tank froth tower slants inwards, no drain plug hole fitted - early lower seating bracket
Herringbone oil lines secured by ferrules

Instruments - T120
• Speedometer - Chronometric SC5301/ 26 - 140 MPH (T120)
• Tachometer - Chronometric RC1307/ 02 - 10. 000 RPM (T120)

Paint work:
• Frame : All black
• Tank : Alaskan white(T120
• Guards : Alaskan white with Gold centre pinstripe lines in black

• Devon Rims chrome, stainless spokes and nipples
• 6204RSR sealed Bearings
• Front : Avon 325 x 19 ( Speedmaster) Tyre
• Rear : Dunlop Universal 400 x 18 (K70) Tyre

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