THE ROAD TO NOWHERE
The first thing worth mentioning this month is the plight of the scooter owner who needs a dyno but has to ride his scooter to the session. It’s a bit of a quandary and a difficult decision that I don’t envy. Imagine the scenario: you are not versed in the art of setting up a carb, you suspect there may be a jetting issue, and you book in for a dyno, but have to ride the scooter there. It’s a bit of a ‘Russian roulette’ scenario, unfortunately, and one that I can sympathise with.
This customer, Mick, was in exactly that predicament when he rode over to see us with his pal Ben for a dyno, and suffered exactly the fate that he was trying to avoid; the engine seizing up. Unfortunately, the way in which it seized smeared one ring into the piston and knackered the other, thus the loss of compression meant his journey was over and his scooter went home on the back of a recovery service trailer.
So what is a customer to do? Well, if I can give one piece of advice it’s this: if you suspect your scooter has jetting issues and you are forced to ride it to the dyno session, then over-jet it massively. Just set whatever you can on the richest settings (main jet and needle clips are the easiest and best to increase in richness) because the situation is like
