.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgr7nlxqLHvshzeh242v13LPlj8MdfCgfnbHoQw4vuxekR5YnofGnR72K1l7MOE6H9fjN1abTcAbfStnnR8OlCMfF4Eu5FvqlNGVcKHB_Npe9V5ljWpm5fLxHsJ8Px8jVlIt3tPclW_4_xu/s400/3628859498_07e42a6cb5_o.jpg)
Mustache (why?) had is own Moto-Guzzi workshop during 33 years, and worked as a craftman on old bikes.
photo:Zesingle
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjt9WBsU3GRtikKVtf6Sw6j8OP1_tS4Z4g6P52k3k_IlR_IsMmA6CrvtQ66-x6zipepdiSHTJYmdkGNslB65LIRwYPIntGWBVMcCC2yoO6ab_za0Gm4C71MPlmCw8k2Z2gvA9FWUziWKAP/s800/Mustache-Norton-southsiders-mc@2009-1.jpg)
So, the first job was a total refurbishing of the engine, with new components: rod, roller bearings, new piston, cylinder rebore, new valves and guides, a classic job but the reliability had to be improved for intensive track use.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7oElqkPoXQepksfHEnQ7glvsYj1u27VDXXl4eK_u9sd61xY9zmaNX6HmNJdj_KmQ5NZVLYbs6gnR6SHVjOOVTU_HIC4LRLR0nzRuiJETADZT4c8D5pWZpjFrZK16R0fJdQ5CFKURbkU6h/s800/Mustache-Norton-southsiders-mc@2009-2.jpg)
The gearbox also was defective, and the sprockets have been charged with weld and rebuilt on the lathe machine , it's not very catholic, but it works well now.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic54wpFR80C-N8pu96Fbmsbg36KXpmeyuhI5dEf7yDfkqWEPe3vKz094lRsQTSFtMqldMufvEUWVixjyTjtVI-UYioK3bSUyCQ40r6vMql-XoS7Jx3iTrGjTY7yewgvURGHMBrjOwXlJUj/s800/Mustache-Norton-southsiders-mc@2009-11.jpg)
The cycle-part is the same as the 16h, the only difference between the 16h and the model 18 is in the engine head, the first is a flat head the second is an Over-head-valve head.
He bought this 1935 Ohv model 18 Norton six years ago, from a guy who made some cosmetics improvements but the engine didn't run.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjt9WBsU3GRtikKVtf6Sw6j8OP1_tS4Z4g6P52k3k_IlR_IsMmA6CrvtQ66-x6zipepdiSHTJYmdkGNslB65LIRwYPIntGWBVMcCC2yoO6ab_za0Gm4C71MPlmCw8k2Z2gvA9FWUziWKAP/s800/Mustache-Norton-southsiders-mc@2009-1.jpg)
So, the first job was a total refurbishing of the engine, with new components: rod, roller bearings, new piston, cylinder rebore, new valves and guides, a classic job but the reliability had to be improved for intensive track use.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7oElqkPoXQepksfHEnQ7glvsYj1u27VDXXl4eK_u9sd61xY9zmaNX6HmNJdj_KmQ5NZVLYbs6gnR6SHVjOOVTU_HIC4LRLR0nzRuiJETADZT4c8D5pWZpjFrZK16R0fJdQ5CFKURbkU6h/s800/Mustache-Norton-southsiders-mc@2009-2.jpg)
The gearbox also was defective, and the sprockets have been charged with weld and rebuilt on the lathe machine , it's not very catholic, but it works well now.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic54wpFR80C-N8pu96Fbmsbg36KXpmeyuhI5dEf7yDfkqWEPe3vKz094lRsQTSFtMqldMufvEUWVixjyTjtVI-UYioK3bSUyCQ40r6vMql-XoS7Jx3iTrGjTY7yewgvURGHMBrjOwXlJUj/s800/Mustache-Norton-southsiders-mc@2009-11.jpg)
The cycle-part is the same as the 16h, the only difference between the 16h and the model 18 is in the engine head, the first is a flat head the second is an Over-head-valve head.
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