Triumph Trophy/Bonneville Bobber
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Update 28/08/08 The engine was put back toigether , carefully, new pushrods, new valves, new steel collars and collets. A gentle -ish first run out to the pub at Cromarty, and all seems ok, pulling clean through the gears and no nasty noises. Still got to run in the Morgo kit so it'll be "take it easy time " for a wee while yet! Back together in time for the local Car and Bike show, Took four Triumphs along.
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Update 18/08/08 Took the Bobber along to Highland Dynos to get the Mikuni dialed in and to see what sort of power the motor was putting out. Up onto the bench and strapped in, the Triumph was given a first run, the fuelling graph was all over the place showing that the needle jet wasway too rich and the main jet far too lean. We pulled the carb and lifted the needle by 2 notches, fired up again and ran the motor up through the gears, up into 3rd half throttle and suddenly something let go in the motor and it was running on 1 cylinder only. On closer inspection, it was found that 1 pushrod had snapped and the other bent on the inlet side. Back to the engine bench! |
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Update 12/08/08 Just back from getting its MOT, been off the road for a month or so while a Morgo Big Bore 750cc barrell and pistons were being fitted. |
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| Frame | 1967 T120 front loop, welded bolt on +4" hardtail |
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| Engine | TR6P bottom end T120 cams Morgo 750cc kit, cobb sidedraft Mikuni |
| Forks | T140 + progressive springs |
| Wheels | T140 hubs 16" steel 3.5"rims avon venom 130/90x16 whitewall tyres |
| Tank | 5TA |
| Seat | hand beaten tractor style in sheet steel |
| Exhaust | straight through hi level Trophy spec with no silencers heatwrapped |
| Ignition | Joe Hunt Magneto |
| Brakes | T140 disc front and rear Grimeca lightweight alloy caliper |
| Extras | PSP hydraulic clutch, Magura levers and m/cylinders, speedway bars |
Summer 2006
Autumn 2004
2002
Here are some earlier pics of the bobber, originally built by Pete Stansfield down in Yorkshire
Mark 2 around 2002 race tuned T120 motor pipes by Vic Jefford 18" apes and an ARD Mag
Pete kept the motor, pipes apes and mag i bought the rest in big lumps from him early 2004
Mark 1 around 1995
