Hi. I use my 450 2004 more than 6 years and now cylinder, conrod and piston die.
For rebuilt i use some taiwan parts:
http://www.con-rod.com.tw/DRZ400-01-04.htm
conrod- Roxar ROXS3239-50 euro
http://www.ebay.com/itm/231619056951...b42d708d2&cp=1
cylinder-MOTORiTEC BB DRZ400 94mm-100 euro
piston Wossner 8563D400A-125euro
For better starting used starter motor from honda hornet 600-10euro
Year ago transform starter gear to sprag clutch drz 400-40 euro
Total cost 325 euro for all.
Pictures and some movies soon
Now rebuild is completed and bike have 50 miles
Some pictures:
Piston diferences:
original bore 95mm
weight-311g
Wossner 8563D400A-94mm
weight-266g
original gas gas conrod
https://www.youtube.com/watch?v=WLkwpTCXN1w
engine with new conrod- Roxar ROXS3239
Cylinder gas gas 450 fse
Cylinder motoritec drz 440 94mm big bore
1 and 2 mast be welding and after cylinder skimming by paper 400/2000
