At long last, but well worth the wait, we are in a position where the Sprite will turn wheels in a trial tomorrow.
We have added the Norton forks, mudguard and stays and the front brake set up from the Cub to this bike which has improved the suspension set up and lifted the whole front end a couple of inches.
The engine is now back from Alan Nicklin who has done some work on the porting in the barrell, moved the spark plug hole in the head to the centre and plugged the original off set plug hole and done some work inside the crank cases.
The engine was received back on Thursday night and Dad had a full day on it yesterday to rebuild the engine and once in the frame, adapt the exhaust to fit the iron barrel - this has been left rough for now to see how it works and if all is well then a new one to this pattern will be made in stainless steel.
There is one modificaltion that will be required. The air filter is now in a dfferent position due to a different shape carb manifold on the iron barrel than the old 350cc barrel. This means that the air filter does not pass through the hole in the frame stay as easily as it was supposed to therefore the plate will need to be cut to take the filter better or alternatively we may go for an alloy airbox that sits in the space in front of the rear mudguard.
I took the bike to Red Marley this morning to run the engine in whilst we were marking sections out for the easter weekend trial. It certainly seems to have plenty of power and has a lovely riding position - overall I am happy with it and am looking forward to see how it performs tomorrow in a trial sitiation. I will post an update and some results as soon as I have them tomorrow.
Pictures were taken this morning before taking it out to run the engine in.
We have added the Norton forks, mudguard and stays and the front brake set up from the Cub to this bike which has improved the suspension set up and lifted the whole front end a couple of inches.
The engine is now back from Alan Nicklin who has done some work on the porting in the barrell, moved the spark plug hole in the head to the centre and plugged the original off set plug hole and done some work inside the crank cases.
The engine was received back on Thursday night and Dad had a full day on it yesterday to rebuild the engine and once in the frame, adapt the exhaust to fit the iron barrel - this has been left rough for now to see how it works and if all is well then a new one to this pattern will be made in stainless steel.
There is one modificaltion that will be required. The air filter is now in a dfferent position due to a different shape carb manifold on the iron barrel than the old 350cc barrel. This means that the air filter does not pass through the hole in the frame stay as easily as it was supposed to therefore the plate will need to be cut to take the filter better or alternatively we may go for an alloy airbox that sits in the space in front of the rear mudguard.
I took the bike to Red Marley this morning to run the engine in whilst we were marking sections out for the easter weekend trial. It certainly seems to have plenty of power and has a lovely riding position - overall I am happy with it and am looking forward to see how it performs tomorrow in a trial sitiation. I will post an update and some results as soon as I have them tomorrow.
Pictures were taken this morning before taking it out to run the engine in.
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