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This is the engine rebuild I did on the Bonnie in 2022.
Made for your guidance and future reference as needed.
Dynamically balanced Crank Shaft.
I replaced the exhaust cam with a 70 9989 650 cam.
Cylinders re-bored + 020"
New light weight Harris pistons.
Black Diamond Valves and v springs.
New Amal Premier Mk1 Carbs.
Factory Std Cigar type Mufflers.
Push in Headers with Balance Pipe.
Pazon Digital Altair E Ignition System.
Lithium Phosphate Battery with BMS.
Battery Isolator switches.
Podtronics 200w Regulator Rectifier.
Tricolour ignition warning light. ---obtained from (improvingclassicmotorcycles.com)
Four Pole Fuse Carrier.
Complete Re Wire with my own self made wiring harness.
Head lights and Tail lights are LED.
Extra Daylight running lights fitted.
I run with a 20:45 tooth sprocket configuration on the primary drive. Giving 50mph at 3000rpm and 70mph close to 4000rpm. 100mph comes in easy at 6000rpm.
Chain type - 530 X Ring Endless Chain.
Progressive Springs on Front Forks.
New Std 6 plate Clutch fitted plus heavy duty springs.
Frame hand painted with enamel paint.
Givi Tall Screen.
I do hope you enjoy riding along with me on my 1977 Triumph Bonneville T140v.
..😁
