Another Across...

Nice one mate, similar to my old Across, you selling this one ?

 

Hmmm. That pipe look mighty familiar...

 

Exhaust's sounding great Chris.  Think I'm gonna need a carby kit asap too

 

Hey has anyone gone for one of these deresteicted CDI units?

I'm keen to hear if they make any difference. What could actually be derestricted?

B

 

Curious about that myself, mine seems restricted in no form at all, revs to about 17,500rpm in 1-3rd gear, and the cdi has no way of knowing what gear your in given theres no sensor. Doesnt seem speed limited either altho i do have the early model!

 

Yeah, seems a bit 'snake-oil'... but then I've not tried revving mine out to anything past 13k in third.

It's an easy replace job though I imagine - is that the CDI unit below the headlight on the Across?

 

Hmmmm... 13k eh...

I'll wind it up more 

 

Hey All
Was chatting with a mechanic the other day and he assured all bikes are restricted in some way, therefore I guess it's a fair bet that fitting a new igniter will have some improved performance.
My guess is this, the major manufacturers have to provide warranties with there bikes, hence the restrictions to minimise failure.
Some one has to bite the bullet and get one of these igniters, if for no other reason than to put us out of our misery.
Your thoughts                                            Phil

 

I'm tempted, but I'm about to move into a house we've built and am paying the rent + mortgage double whammy at the moment - i.e. funds are thin on the ground.

These units seem to be plentiful though - I'll be up for one in a couple of months.

 

I so seriously doubt they would make a difference for a few reason -

One the cbr250 ones already been dismissed as snake oil and they come from the same seller (look it up on the jdm cbr forum)

Two, just ride the bike above 15k, there's no power at all there. An extra 500rpm if the unit even does allow that (doubt it) is beyond worthless. I don't think there's even a road long enough in the country to let you rev this bike out to the limiter in 6th let alone higher

Third, No way would the Black top engines and the VVT versions use the same ignition curves.

and lastly, a chinese CDI? >.>

You'd be better off getting an aftermarket ignition controller and having it setup on the dyno. Doubt there'd be much to be had power wise regardless.

 

I'm thinking you're right Desmo. I took the Across out on the weekend and wrang it's neck. It went to 15k no problem - after that I didn't see the point. i.e. it felt pretty much the same rom 13.5-ish upwards. Plus I kinda feel revs like that (often) is a good way to wreck an engine.

Certainly found out where the power is on an Across though - after 11/12k.

 

Hey I just put a 1990 igniter unit in my 1996 Across.

It *seems* to have a few more herbs - and it's much happier revving out to 14-15K.

Older one on the left...

 

btw: I have a 6km straight flat quiet tarred road to try this on...

 

Cool, well it stands to reason they would be a little different given the later models have variable valve timing on the inlet and i think they have different cams for more midrange. So if you have the later bike perhaps the ignition on the older ignitor is such that it gives it a bit more top end. Or something like that

Would be interesting to see them back to back on the dyno.

Not too related but some interesting info in the below link :0

http://translate.google.com/translate?hl=en&prev=/search%3Fq%3Dmikuni%2Bbdst30%26hl%3Den%26sa%3DG&rurl=translate.google.co.uk&sl=ja&u=http://homepage3.nifty.com/tam_network/across/across_info.html#analysys