First of all, Happy and Healthy New Year!
Ok, so I have re-read the whole thread. I was wrong, there are three members who have both Alton and CNW...
@ebyker said he would buy an Alton if he needed to buy another.
@lazyeye6 said he would buy a CNW if he needed to buy another.
@allver67 said he would buy a CNW if he only had one bike, but if doing a resto would by an Alton for it's close to stock MKIII look.
To help folks who may be looking to buy one of the offerings I have put together what I think are the pros and cons of each. The pricing is assuming the buyer is in the U.K.
Alton
Price £2136 (including UK VAT)
Pros:
Lowest price starter.
Easy to install.
Can be used with chain or belt from various suppliers.
Retains original aircleaner.
Superb support
Cons:
Drive to the engine relies on the sprague being clamped to the front sprocket or pulley.
Use of the original alternator not possible
Marginal charging in low speed situations (in my experience)
Users have reported the plastic shear pins letting go in normal operation. (extra can be added which fixes the issue).
CNW
Price £2470 ($3145) in the U.S. (As far as I'm aware there is no UK stockist, so shipping plus import duty must be factored in).
Pros:
Easy to install.
Very robust and well engineered.
Use of the original alternator.
Superb support.
Cons:
Use of original aircleaner not possible.
Rather bulky appearance.
Very long lead time currently.
Norvil
Price £2940 (including UK VAT, for the version without supplied battery )
Pros:
Very simple direct drive using what looks like a commonly used pre-engaged starter.
Comes with it's own mainshaft outrigger support and bearing (that is a big plus in my opinion).
Use of the original alternator.
Discreet appearance.
Cons:
No Sprague, but does it need one?
The installation is a BIG job.
Use of original aircleaner not possible.
Support - This is new to the market, so no feedback yet.
Images of each installed...
Alton
View attachment 111822
CNW
View attachment 111820
Norvil
View attachment 111821