Honda C90 - putting it back together

Honda C90 - putting it back together

Intro If you have dismantled your bike in order to refurbish it then, once you have finished reassembling the engine, you will be faced with a large pile of bits that need putting back together. In the immortal words of the old Honda manuals: "Perform the reassembly in the reverse procedure of disassembly."...

Intro If you have dismantled your bike in order to refurbish it then, once you have finished reassembling the engine,...

Honda C90 - air cleaner and exhaust

Honda C90 - air cleaner and exhaust

It hardly needs saying but the engine only works when air gets in one end and exhaust gasses exit the other. This article covers the two systems on either end of the engine, the air cleaner and the exhaust. Muffler and exhaust pipe Although in the UK we tend to refer generically to "exhaust...

It hardly needs saying but the engine only works when air gets in one end and exhaust gasses exit the...

Honda C90 - brakes

Honda C90 - brakes

The c90 uses a drum brake design that is essentially unchanged since it was first introduced over 120 years ago. Renault drum brake Drum brakes were first patented by Louis Renault in 1902, as shown in the patent diagram below left. Despite its apparent simplicity, this invention was a huge improvement on the previous alternatives...

The c90 uses a drum brake design that is essentially unchanged since it was first introduced over 120 years ago....

Honda C90 - forks, suspension and steering

Honda C90 - forks, suspension and steering

This post explains the design of the Honda Super Cub suspension and steering. If you are interested in fitting tapered roller bearings instead of the standard ball bearing used in the steering head then see here. Leading Link Forks All the Honda Super cubs since their introduction in 1958 until relatively recently were fitted with...

This post explains the design of the Honda Super Cub suspension and steering. If you are interested in fitting tapered...

Honda C90 - wheel refurbishment

Honda C90 - wheel refurbishment

It is difficult to find an old C90 without knackered wheels and mine was no exception. I am not sure what the wheels had been painted with but it was rock hard and there was no way they could be cleaned up satisfactorily, so I decided to replace the spokes and rims. There are three...

It is difficult to find an old C90 without knackered wheels and mine was no exception. I am not sure...

Honda C90 - Seat refurb

Honda C90 - Seat refurb

The seat was a bit of a mess:  despite having been repainted several times it was rather rusty on the underside, particularly around where the hand strap is fixed on (all the used c90 seats I’ve seen on ebay are the same – I suppose rain must get blown underneath and trapped between the seat...

The seat was a bit of a mess:  despite having been repainted several times it was rather rusty on the...

Honda c90 z2 - introduction

Honda c90 z2 - introduction

Introduction Honda’s Super Cub step-through motorcycle is the most successful motor vehicle ever built and a staggering number – well over 100 million – have been sold. I was lucky enough to find a low mileage 1978 C90 for sale a few miles from where I live. It ran for about half a mile before conking...

Introduction Honda’s Super Cub step-through motorcycle is the most successful motor vehicle ever built and a staggering number – well...