DO YOU HAVE A QUESTION?   or  +31 (0)33 2862800 (Only Thursday & Friday from 11.30-13.30 or Saturdays from 09.00-14.00 (CET))


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XS650 Parts categories

 WE ARE CLOSED FROM 17 MAY TILL 7 JUNE !!!!!!!!!!! DURING THIS PERIOD WE CANNOT SHIP ANY PARTS!!!!!!!!! all orders can have a delay!!!

750cc Big-bore kit 447 type (9:1) [new design]750cc Big-bore kit 447 type (9:1) [new design]

Cylinder and Piston Kit 447 Type Big-bore 750cc (9:1) [new design]

Partnumber: 05-0750
€ 600,00

Big Fin Cylinder Block 750cc.80mm
castpistons-, pins, clips, and matching riken piston ring sets. this is a copy of the OEM Yamaha 750 kit pistons.ever made for the dirttrack homoligation.only with the latest modern thin piston rings.
High compression 9:1.
Kit Fits: 1974-84 447 XS/TX 650 Engines.
Check the conrod number! only for the 447 conrods!
order gaskets separated ! you need a 750 head and base gasket!
This cylinder is made for the latest type of Tensioner set, same as our HT-1704 set.
Better cooling and good looks of our Big Fin cylinder.


Chromiumweg 23
3812 NL Amersfoort
The Netherlands

Phone: +31 (0)33 2862800

If you have any questions please use email or call us on
Thursday & Friday from 11.30-13.30 (CET)
Saturdays from 09.00-14.00 (CET)


Heiden Tuning is a motorcycle store specialised in the Yamaha XS 650's and TX 650's. We offer a wide range of XS / TX 650 products, see our webstore.

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