Enjoyment is the product of
S*E*H*R*M where S is the speed that you and your bike are happy, E is the environment you are in (affects S) H is the handling of the bike, R is the rider skill and M is the moment in time. If any of these tend to zero the whole answer tends to zero. So if you have a hyper sports bike but the moment is not right - tends to no enjoyment. I think something like a single hits pretty high on all factors all the time - travels fast enough to be fun not so fast that a sheep stepping out 2 miles away is a hazard, whether you are in town or in the country - the single is fun - about the only place E tends to zero is on a motorway or long dual carriage way - and then it tends to zero for all bikes, H - singles tend to be light and within the capabilities of their frame at all engine speeds - handling tends to be good, R - rider skill is a factor but less so than on a crotch rocket or the like - most have the skill to ride a single tolerably well, as opposed to squeaky bottom time every 2 miles. The Moment in time - they take longer to get somewhere - so a good ride lasts longer, they talk to you ands all of that - the moment happens more often.
Mind I did love riding the RD5
R
