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134cc Yamaha Big Bore Engine Kit

134cc Yamaha Big Bore Engine Kit

Xtreme coated piston and head

£ 550.00 (£613.00 - with xtreme coated piston and coated head)

YZ 134 Specifications:
Fits 2000-2005 Yamaha YZ125
Bore = 56mm	Stroke = Stock	Displacement = 134cc

Engine Modifications Required:
Cylinder:	Bore, Port and Replate with Apticote 2000 ceramic bore coating.
Head:	Rechamber to work with the Big Bore piston. 100 octane suggested for most conditions.
Power Valves:	Machined to match big bore ports.
Crankshaft:	Stroke, balance and true.
Crankcase:	No crankcase mods required.
Blueprint:	Calculate deck height, squish clearance, trapped volume, port timing and compression ratio and list on your perminant Spec-Sheet.
Optional Xtreme piston and head: (to order tick box and add £63 to your payment)
	Add the benefits of an Xtreme coated piston and head.

All of our engine kits are built using Wiseco Pistons

Dyno Chart

Benefits:

More horsepower
More torque
More power through complete range.

Kit includes:

Piston kit with piston, ring(s), wrist pin, circlips.
Wrist pin bearings
Head gasket
Base gasket
New power valve oil seal

This kit requires you to send us:

Your cylinder
Cylinder head
Power valve

Delivery: call to check availability of completed cores


	Click here for details on how to send your parts to us and on how to print an order form.

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CR98
CR134
CR265

YZ98
YZ134
YZ265
YZ285


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Primary communication point:
Telephone: 01452 300800 Fax: 01452 500400 Email: aptec@poeton.co.uk Web: http://www.poetonaptec.co.uk	APTEC Ltd Southbrook Road Gloucester GL4 3DN

Secondary communication point:
Telephone: +1 608 224 2524 Fax: +1 608 224 0447 Email: techsales@maxpower-engines.com Web: http://www.maxpower-engines.com	Maxpower Inc 3001 Progress Road Madison Wisconsin, 53716, U.S.A.