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-   SV Talk, Tuning & Tweaking (http://forums.sv650.org/forumdisplay.php?f=111)
-   -   Update Re: SK5 Top Speed Query (http://forums.sv650.org/showthread.php?t=149399)

Dizeee 05-04-10 05:56 AM
Update Re: SK5 Top Speed Query
 
Hi all,

Following on from my top speed thread, and the suggestion my SV could be restricted to 33bhp, I managed to test some things out on a track day this weekend.

1) I can hit 11'000 revs, I came off to change gear at this speed, the bike still kept going with revs. So the revs definatley red line.

2) After much trying on the straight bits of the track, I got up to a speedo indicated 125mph. The revs read 9500. I reckon a speedp indicated 130 is possible but I doubt much after that.

3) Bike flies to 60 and will get to 100 in what feels like the 10 second mark.

So, I am happy it aint restricted. As I said before, I dont care about top speed but dont want a restricted bike.

Dizeee 07-04-10 10:34 AM
Re: Update Re: SK5 Top Speed Query
 
Fantastic response!

yorkie_chris 07-04-10 10:44 AM
Re: Update Re: SK5 Top Speed Query
 
What's to respond to you didn't ask anything :-P

Rev limiter kicks in before 11000rpm though

rowdy 07-04-10 11:17 AM
Re: Update Re: SK5 Top Speed Query
 
Quote:
Originally Posted by yorkie_chris (Post 2236120)

Rev limiter kicks in before 11000rpm though
Depends what model year, mine doesn't.

barwel1992 07-04-10 11:23 AM
Re: Update Re: SK5 Top Speed Query
 
^ same on mine 11.500 i think it kicks in

rowdy 07-04-10 11:51 AM
Re: Update Re: SK5 Top Speed Query
 
Quote:
Originally Posted by barwel1992 (Post 2236153)
^ same on mine 11.500 i think it kicks in
Same as. Was told a few k3's slipped through the net with a 1000rpm higher rev limit than normal.

yorkie_chris 07-04-10 11:53 AM
Re: Update Re: SK5 Top Speed Query
 
That may explain why a few K3s spat rods out!

rowdy 07-04-10 11:54 AM
Re: Update Re: SK5 Top Speed Query
 
Quote:
Originally Posted by yorkie_chris (Post 2236185)
That may explain why a few K3s spat rods out!
Yes, and snapped cranks!

yorkie_chris 07-04-10 11:57 AM
Re: Update Re: SK5 Top Speed Query
 
Cranks snapping is an affliction of all of them sadly. Pointy got lighter flywheel, so should be a little less prone to it but it seems it needs big chunks removing from the flywheel.

barwel1992 07-04-10 12:18 PM
Re: Update Re: SK5 Top Speed Query
 
only ever hit the rev limiter once and it didn't sound like the engine liked it, i missed a gear change, never been that side of 10,000 rpm since

Quote:
Originally Posted by yorkie_chris (Post 2236192)
Cranks snapping is an affliction of all of them sadly. Pointy got lighter flywheel, so should be a little less prone to it but it seems it needs big chunks removing from the flywheel.
how hard and expensive is it to lighten the flywheel ? or does it not need doing on the pointy


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