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98cc Yamaha Big Bore Engine Kit

98cc Yamaha Big Bore Engine Kit

Xtreme coated piston and head

£ 486.00 (£549.00 - with xtreme coated piston and coated head)

YZ 98 Specifications:
Fits 1993-2005 Yamaha YZ80 and YZ85
Bore = 51.0mm	Stroke = Stock	Displacement = 98cc

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.
Crankshaft:	No crank mods required.
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
No crankcase mods required
Can later be stroked to 105cc with head mods

Kit includes:

Piston kit with piston, ring(s), wrist pin, circlips.
Wrist Pin Bearing
Inner and Outer Head Gasket O-Ring
Base Gasket

This kit requires you to send us:

Your cylinder
Cylinder head

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.