@Calum appreciate the help as usual 👍👍
@Calum I did whatever it said on the cover, couldn't remember off the top of my head
@Louis-James he mentioned in the other thread it's a road registered bike but no MOT at the moment.
Available from Fowlers.
Yamaha DT230 Lanza Airbox duct. Really nice upgrade, much larger duct for more air intake. Jet slightly richer towards 3/4 Full throttle and this Duct will work very well.
A little material has to come away to seat it's larger flange, so be sure, and commit to jetting if needed.
Better sound there too.
Airbox Tract. 1988-98'
The later Airboot YIES bottle was introduced for better low RPM induction and emissions. It works really well for the Midrange, but makes the bike a little flat on top.
For Top end, I use the older Airboot without YIES. It works better for higher RPM.
No very noticeable, although my v-force v3 works very well, especially in the high revs see my 200cc conversion thread
You shouldn't be polishing either really,
but here is a used MITAKA vs a New WOSSNER to illustrate. Carbon does help to a point. The Wossner is a CNC finish, but if your hunting power there wont be any difference.
Problem with forged is the difference in thermal expansion to a cast alloy. MITAKA is a good choice for the DT.
Smooth yes, but a rough surface lends itself to optimising fuel atomisation, that is more important.
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