Just fitted a Micron Titanium Oval can - rejet??
Discussion
It would benefit from rejet as this will allow it to work properly, as it stands it will almost certainly be running lean and not developing it's full potential power, in extreme cases running too lean can cause overheating and damage to pistons etc (although unlikely).
Do it
what's the point of fitting a race can if it's not giving the desired power increase! plus if it's done on a dyno you will know how much of an increase. 
Do it
what's the point of fitting a race can if it's not giving the desired power increase! plus if it's done on a dyno you will know how much of an increase. Also, unless you are running flat out everywhere, I really wouldn't worry about it. Most bikes are jetted slightly rich for longevity from the factory. A can alone (w/o the rest of the system) is unlikely to unleash much (if any power) and as such, they rarely need re-jetting. A re-jet will help your low down and mid range response, but most jet kits only change the main jet and needles. Google these if you want to find out what all the bits in your carb actually do. It's a good idea to do this before you let some numpty loose on your bike on the dyno - to relieve you of 200 quid for effectively doing nothing, or giving you 2hp in the midrange. Caveat emptor...
'Mad' Dave
As Steve_T said, as long as there is a bit of 'soot' in the end of your can, you will be OK. If the end can starts to become a lot 'cleaner', then this is a sign that the bike is running leaner. Also keep a mental check on where your temp guage is during normal riding. If the engine is running lean, it will tend to run slightly hotter.
Watch that needle!
As Steve_T said, as long as there is a bit of 'soot' in the end of your can, you will be OK. If the end can starts to become a lot 'cleaner', then this is a sign that the bike is running leaner. Also keep a mental check on where your temp guage is during normal riding. If the engine is running lean, it will tend to run slightly hotter.
Watch that needle!
Mines got Dynojet stage 1, race can & K&N & it is a tad brisker right at the top end than a standard bike, as Ive run it vs yours when it was Bills & 2 others of mates, mind you its done double the miles of yours & most of them have been flat out, so it maybe its just a bit looser! 
I do mean only a tad tho, really not much in it at all, only when really absolutely flat out has it been noticable.
Dyno plots done yrs ago so prob not that accurate now- show small gains from 2.5k rpm onwards, cleans out a dip at 5.8-6.5k then somat like a 5/6bhp gain all the way from 7.5-12k.
Was all done before I bought it, not sure i'd shell out the ££ on an older & cheap bike, for such tiny gains, race can essential obiously tho- coz standard can makes it sound like a pizza bike
I certainly woudnt spend a few hundred(*) £ for 5 bhp, as a tight chain, worn plugs & unbalanced carbs will loose a heck of a lot more than that.
1200s on the other hand are known to love a race can over the standard can, up to 10-15bhp gain even without a re-jet aparently.
Edited to add- fished out old invoices & it cost the old owner-
Dynojet kit & K&N -£125
Can & Link pipe- -£270
Dyno time -£30
= £425!!!!! for those small gains!!!
>> Edited by iguana on Wednesday 23 June 14:01
I do mean only a tad tho, really not much in it at all, only when really absolutely flat out has it been noticable.
Dyno plots done yrs ago so prob not that accurate now- show small gains from 2.5k rpm onwards, cleans out a dip at 5.8-6.5k then somat like a 5/6bhp gain all the way from 7.5-12k.
Was all done before I bought it, not sure i'd shell out the ££ on an older & cheap bike, for such tiny gains, race can essential obiously tho- coz standard can makes it sound like a pizza bike
I certainly woudnt spend a few hundred(*) £ for 5 bhp, as a tight chain, worn plugs & unbalanced carbs will loose a heck of a lot more than that.
1200s on the other hand are known to love a race can over the standard can, up to 10-15bhp gain even without a re-jet aparently.
Edited to add- fished out old invoices & it cost the old owner-
Dynojet kit & K&N -£125
Can & Link pipe- -£270
Dyno time -£30
= £425!!!!! for those small gains!!!
>> Edited by iguana on Wednesday 23 June 14:01
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