Above 3000 rpm the vibration dispersed and the engine takes on the character of a multi as far as smoothness. The rear chain adjusting bolts pushed, rather than pulled, the rear axle, and would bend, making them difficult to turn. The bike has all matching numbers, frame, engine and transmission. Given that its engine was an old pre-unit design, even Norton's chairman, , expressed surprise at the Commando's remarkable success. Every issue delivers exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made! The crank is a two piece forged unit that rides on three roller main bearings. In this version sold from year 1973 , the dry weight is and it is equiped with a Twin, four-stroke motor.
Which still works fine along with tach. The surface rust on the chrome seems to polish up nicely, before I ran out of motivation to keep polishing. Has 54,242 on the odometer, it marks its territory with oil from time to time as is common with Norton's it does much better on center stand or just being level. You will not find a better sorted Norton. Putting in a smaller piston reduce the amount of effort needed to stop enough to make it feel like a modern bike. It is well designed to allow the machine to breathe freely. I went through the original Amal 932 carburetors and put a new air cleaner, changed the oil, and changed the fuel lines and it started right up and runs amazing.
In March 2010 Norton shipped the first new Norton Commando for over 30 years; and by mid-April 2010 the Company was shipping 5-10 new machines per week. Trim Custom Category Sport Touring Motorcycles Engine - Posted Over 1 Month 1975 Norton 850 , This one of a kind emaculate matching numbers Norton Interstate 850 Commando. I have included pictures of how it looked when purchased and photos of how it is set up currently. Swing arm rebuilt using new Norton parts. Its most interesting feature was its ingenious engine mounting system. The twin-cylinder design evolved into 600 cc, then the 650 cc Manxman and Dominator until superseded by 750 cc Atlas before being launched as the 750 cc Commando in 1967.
In March to June 1970 the updated S called the 'Roadster' had the 750 cc engine, low-level exhaust, upward-angled silencers with reverse cones. A prototype '900 Commando' was also produced. He split the cases, put in new bearings — I seated the valves holding the head in my lap. Those days, however, are long gone. The engine is a 961 cc parallel-twin that produces 79 bhp 59 kW.
The sidecovers do say 750 however I bought the Interstate tank and side covers painted and decalled with 750 on them. The Commando 850 retains the same cylinder head as the earlier 750's. The right foot, one-up, three-down shift pattern can confuse new riders, but prior ownership I rode nothing but Commandos for 12 years apparently left an indelible mark in my mechanical memory, as my right foot falls naturally to the task. The bike has been in inside storage for 21 years. The crankcases have been reinforced to take the power generated by the larger 850cc displacement.
I look forward to working with you. The Norvil Motorcycle Company was formed to build replica models of some classic Norton models. These bars are adjustable in 4 dimensions, including 3 inch rise. I've alway wondered why Triumph Bonnevilles always go for more money than a similar condition Commando. This excelent Norton is a All British Clubman Show winner in its class. This truly is a show piece impeccably restored.
I have also coordinated restorations from start to finish. The exhaust pipe manifold nuts were problematic to the end, loosening from vibration no matter how tightly they were fastened, leading to a ruined cylinder head and constant rattling of the header pipes. The 850 would pull all the way to an indicated 125 mph with a little coaxing. This beautyful machine is always garaged, coverd and never ridden in the rain. The consumers are spending thousands of dollars repairing the classic vehicles they've purchased after the sale. He believed the classic Norton design went against all engineering principles, so Bauer designed his frame around a single 2.
The pistons are standard Norton design with a three piece oil ring. I did a lot of customization on this bike, the look is very unique and I get a lot of thumbs up from other riders. The machine is not merely an attempt to keep up with the Joneses or the Sochiro's. This engine was powerful enough, but suffered from terrible vibration. Norton Commando 750 Interstate model with its distinctive large touring size petrol tank. Much attention has been given to the porting. I decided to give up my full time job with health insurance and a 401K to open a new classic and truck dealership.
That the reverse is true is fascinating. Archived from on 22 July 2018. Desirable factory correct classic cars that are documented with matching numbers always make solid investments. Get your new classic car or truck today. The head is the key to the Commando's performance. He changed out the counter sprocket for a 19 verse the original 20, put in a Barnett clutch, heim head steady, Fiamm horns, roadster style headlight, new exhaust pipes and mufflers, and a covenant fork upgrade. The suspension works perfect and is all original.