FORWARD MOTION WILL BE CLOSED FOR SERVICE FROM OCTOBER 1ST, 2009 TO OCTOBER 31, 2009. ERIC WILL BE ANSWERING THE PHONE AND FULFILLING PART ORDERS LIKE PISTON KITS AND BOOKS. YOU ARE WELCOME TO CALL WITH TECH QUESTIONS AND TIPS FOR GETTING YOUR ENGINE SERVICED. - THANKS, ERIC

This is Forward Motion’s master price list of the biggest selection of big bore kits available by any engine builder in the motorcycle industry. All of these kits include these services and parts.

For 2-stroke engines, the package deals include;

• Cleaning and disassembly
• Iinspection and measurement
• Over-boring
• Porting
• Replating
• Diamond honing
• Head mods
• Powervalve service
• Piston and gasket kits.

You’ll get your choice of powerbands; more low/mid, more mid/top, broader powerband, and choices of fuel; pump or race gas.

 

For 4-stroke engines, the package deals include;

• Over-boring
• Plating
• Diamond honing
• Piston kit and gaskets.

If you want to send your top end for a big bore kit, CLICK & PRINT a copy of the Service Form (2-stroke or 4-stroke). The forms are posted below.

2-Stroke Service Form

4-Stroke Service Form

HONDA

CR80 1986-2004 100cc $400
CR85 2005-07 100cc $400
CR125 1989-2007 134,139,144cc $450-475
The 2000-03 models can only be bored to 139cc max, no kits offered for the 2004 models.
CR250 1986-2007 265-275cc $500
CRF150R 165cc $375
CRF250R/X 2004-09 262cc $425
CRF250R/X Athena Kits (New cylinder) $695
CRF450R/X  Athena 490 kits $695
CRF450R/.X 478cc $425

KAWASAKI

KX60 1985-2002 66cc $325
KX65 2000-09  72cc $350
KX65 2000-09  82cc $425
KX80/85 1979-2009 100cc $375
KX125 1985-1993 134cc $375
KX124 1994-2008 144cc $475
KX250 1989-2007 265cc $500
KX250 1994-2007 285cc $600
KX500 1988-2001 525cc $525
KX500 1998-2001 540cc $600
KDX200 1995-2006 225, 240cc
KXF250 262, 270cc 2004-09 $450
KXF450 472cc $450
KXF450 490cc Athena Kits (New cylinder) $750

SUZUKI

RM65 2000-09 72cc $350
RM65 2000-09  82cc $425
RM85 2000-09 100cc $425
RM125 1976-81 144cc $265 (Sleeved cyls)
RM125 1989-2007 144cc $495
RM250 1989-2008 265cc $500
RM250 2003-08 275cc $500
RM250 2003-08 285cc $600
RMZ250 262, 270cc 2004-09 $450
RXZ450 2006-09 472cc $450
RMZ450 490cc Athena Kits (New cylinder) $750

YAMAHA

YZ80/85 1993-2009 105cc $425
YZ125 1994-2009 134, 139,  $475
YZ125 1994-2009 144cc $495

YZ250 1979-89 265cc $350 (Cast-iron sleeve)
YZ250 1999-2009 265, 275cc $500
YZ250 1999-2009  285, 295cc $600
YZ250F 2001-09 262, 270cc $425
YZ250F 2001-09 290cc MAGNUM Kits (New cylinder) $750
YZ400F 1998-99 420cc $425
YZ426F 2000-02 444cc $450
YZ450F 2003-09 472cc  $450

HUSQVARNA

CR/WR125 1998-2009 144cc $475
CR250 1998-2009 275cc $525

GASGAS

125 2000-2009 144cc $495
250 1998-2009 275cc $550

TM

125 1998-2009 144cc $475
250 1998-2009 275cc $550