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early
Joined: 17 Apr 2006
Posts: 9
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 Posted: Thu Apr 20, 2006 3:58 am Post subject: More grunt |
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Hi all , my first post here .
I have a Skorpion sport , I love the handling but would like more power .
It currently has a Quill can and I have removed the air filter , this has made
it very free reving , and the Quill sounds lovely .
I want to go further but don't really know the best place to start .
Big bore and flowed head ? , anyone got any experience of this , what difference does it make ? .
Thanks in advance . |
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whysub01
Joined: 11 Aug 2005
Posts: 190
Location: Essex, UK
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| Posted: Thu Apr 20, 2006 4:13 am Post subject: |
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Welcome Early.
A 102mm rebore and piston works wonders with a free flowing can and a cam reprofile.
You need to work out if you want out and out performance, or performance with reliability. And also how deep your pockets are!
My rebuild, which included a new conrod, camchain (both uneccessry, but as the motor was stripped....), rebore & 102mm piston, a little head work and new springs and gaskets all round, cost me £500 from an engine builder specialising in Yam 660 engines who I trust 200%.
Where in the World are you? What airbox mod have you done exactly?
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Becoming A Track Day Addict. Baggi Well On The Way To Completion. Well, One DAy Closer................ |
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early
Joined: 17 Apr 2006
Posts: 9
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| Posted: Thu Apr 20, 2006 5:31 am Post subject: |
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Hi WhySub01 ,
Sorry I should have gave my location , I'm up in Lancashire ( UK ) .
As for the airbox , I've got rid of the snorkel on top of the airbox and removed the air filter . I've experimented with jets / needle positions
and found standard jets and needles in the middle groove ( on both carbs )
to be best .
With this set up it feels as though I have lost a little torque but gained power in the last third of the rev range
Can I ask who did your engine work ? . |
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friendfire
Joined: 09 Jan 2005
Posts: 52
Location: Tring, hertfordshre. UK
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| Posted: Thu Apr 20, 2006 3:16 pm Post subject: |
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Hi Mate,
Good to hear of another sport on UK roads! I am usless to give you any tips, but there are lots of really helpfull people on this forum.
All the best
Mick
PS get a photo up in the gallery! |
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whysub01
Joined: 11 Aug 2005
Posts: 190
Location: Essex, UK
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| Posted: Thu Apr 20, 2006 6:36 pm Post subject: |
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| early wrote: | Hi WhySub01 ,
Sorry I should have gave my location , I'm up in Lancashire ( UK ) .
As for the airbox , I've got rid of the snorkel on top of the airbox and removed the air filter . I've experimented with jets / needle positions
and found standard jets and needles in the middle groove ( on both carbs )
to be best .
With this set up it feels as though I have lost a little torque but gained power in the last third of the rev range
Can I ask who did your engine work ? . |
Engine work done by Steve Ruth in Suffolk. Note that the cost of the rebuild was on a motor that had done 78,000, so I had it completely stripped, all tolrences checked-everthing was within tolerance!-rebuilt, then the engine vapour blasted and repainted (it looks like a new engine now). I'll have to swap it with my standard Sport motor now, then get the Baggi motor to him to do-will only need the top end doing, which he reckons will cost around £300-£350 to do, seeing as it has less than 10,000 on it, and I know the botom end is perfect.
_________________
Becoming A Track Day Addict. Baggi Well On The Way To Completion. Well, One DAy Closer................ |
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early
Joined: 17 Apr 2006
Posts: 9
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| Posted: Fri Apr 21, 2006 4:13 am Post subject: |
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Thanks for the warm welcome lads . I will try and submit a photo ( if I can work out how ) .
Whysub01 , any chance of this guys phone number , PM me if you wish .
Thanks , e . |
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