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Registered User
Hey guys, who can answer this one? I have a 2007 400ex, I need to get a new cylinder for it, I notice that a cylinder for a 2008 is about 80.00 cheaper then one for a 2007. I always thought that the cylinders were the same throughout all the years. Anybody have any idea what they changed on the cylinders between the 07 and 08? Will the 08 work on the 07?
Thanks in advance
Kevin Smitley
Brandon Smitley #423
B.A.K. Motorsports
2005 TRX450R Race Bike
2006 TRX450R Practice Bike
Special Thanks to:
Dave Carter (DC motorsports)
Bruno At Quadified Racing Engines
Fly Racing / Western Powersports
Jody at JB Racing
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Elka
Leatt
Ernie At FTR
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The Canadian Redneck
Most 400ex parts are from 99-07, so I don't think that it will work especially if there's that much of a price difference. But just wait and the experts on here will give ya the right awnser :P
2007 400ex -
Pro Circuit T-4 Slip-On, Pro Armour Nerfs, UNI Air Filter, K&N PowerLid, PowerMadd Handguards, 155 Main, 42 Pilot, YFZ450 Front Shocks, Shock Pros CDN Flag Front Shock Covers, Shaved Front Fenders, Moose MXR Rear Brake Rotor, NGK Spark Plug, 20" ITP Holeshot XCR's in Rear, ODI Rogue Lock-On Grips, ROX Billet Handguard Mounts, Factory FX Glass Grip Donuts, DG Sport Bumper, Pro-Taper SE ATV High Bend Handlebars, ROX Dash, DP Brake Pads, DG Baja Series Swing Arm Skid Plate
2001 300ex-
FMF PowerCore 4, FMF Hi-Flow Headpipe, Kimpex 14T Front Sprocket, Kimpex 38T Rear Sprocket, All Balls Carrier Barrings , Kimpex Chain, Scott Grips, UNI Air Filter, Homemade Long/Wide Grab Bar, NHC Kevlar Rear Brake Pad, 22" Maxxis Razrs on Rear
'84 Suzuki lt125
'07 Daymak 125 -Paid 80, sold 450
'77 Kawisaki KM100 -Wiseco, JT, EK
'07 Baja DR90
'05 Ski-Doo GSX 600 HO SDI Lt.
Registered User
Yea I know alot of the body parts changed but I wasn't aware they ever made any engine changes. Thanks for the response though, hopefully somebody knows what they changed.
Kevin Smitley
Brandon Smitley #423
B.A.K. Motorsports
2005 TRX450R Race Bike
2006 TRX450R Practice Bike
Special Thanks to:
Dave Carter (DC motorsports)
Bruno At Quadified Racing Engines
Fly Racing / Western Powersports
Jody at JB Racing
Impact Solutions
Elka
Leatt
Ernie At FTR
Rath Racing
All Balls Racing
Slick
Grandma and Pappy
The Canadian Redneck
Okay well this is confusing me now. Wiseco says their 400ex piston fits 99-07, but yet Namaura says theirs fits 99-08
2007 400ex -
Pro Circuit T-4 Slip-On, Pro Armour Nerfs, UNI Air Filter, K&N PowerLid, PowerMadd Handguards, 155 Main, 42 Pilot, YFZ450 Front Shocks, Shock Pros CDN Flag Front Shock Covers, Shaved Front Fenders, Moose MXR Rear Brake Rotor, NGK Spark Plug, 20" ITP Holeshot XCR's in Rear, ODI Rogue Lock-On Grips, ROX Billet Handguard Mounts, Factory FX Glass Grip Donuts, DG Sport Bumper, Pro-Taper SE ATV High Bend Handlebars, ROX Dash, DP Brake Pads, DG Baja Series Swing Arm Skid Plate
2001 300ex-
FMF PowerCore 4, FMF Hi-Flow Headpipe, Kimpex 14T Front Sprocket, Kimpex 38T Rear Sprocket, All Balls Carrier Barrings , Kimpex Chain, Scott Grips, UNI Air Filter, Homemade Long/Wide Grab Bar, NHC Kevlar Rear Brake Pad, 22" Maxxis Razrs on Rear
'84 Suzuki lt125
'07 Daymak 125 -Paid 80, sold 450
'77 Kawisaki KM100 -Wiseco, JT, EK
'07 Baja DR90
'05 Ski-Doo GSX 600 HO SDI Lt.
Senior Member
i think the only thing they did deferant was that they didn't put in a decomp lob on the cam so wouldn't need the hole the spring and plunger sat in
Registered User
Yea I know, got me confused to. As far as the decomp deal, that would be in the head, really wouldn't have anything to do with the cylinder right? For some reason I got the feeling that their the same even know the 08 is 80.00 cheaper and a differant part number. Somebody has to know, LOL......
Thanks guys
Kevin Smitley
Brandon Smitley #423
B.A.K. Motorsports
2005 TRX450R Race Bike
2006 TRX450R Practice Bike
Special Thanks to:
Dave Carter (DC motorsports)
Bruno At Quadified Racing Engines
Fly Racing / Western Powersports
Jody at JB Racing
Impact Solutions
Elka
Leatt
Ernie At FTR
Rath Racing
All Balls Racing
Slick
Grandma and Pappy
BBBRRRAAAPPP
The better question is do you simply need the sleeve or the entire cylinder/jug itself.
If its a matter of the sleeve-bore it out to the next size, if its an entire cylinder then you got an issue.
The part numbers are different, not sure what they coulda changed but they are different.
If it's stupid, and it works, it isn't stupid. - Murphy's Law
2000 426EX,sold
2004 450R WIP
-Longtime A.A.D.S. (Accessory Acquisition Disorder Syndrome) sufferer.
400EX Frequently Asked Questions, CHECK HERE FIRST!
Registered User
Need the whole cylinder, apperntly the previous owner got it hot and the sleeve dropped a bit, once that happens you are taking a big chance re-sleeving, this quad will be raced at the ATVA Nat's and I won't take that chance, rather buy a new cylinder then drive 600-800 miles and have something happen because I re-sleeved it. I have seen other stuff change part numbers but be the same exact part and I have a feeling this is what went on with the 07/08 cylinder, but was hoping someone on here knew for sure.
Thanks
Kevin Smitley
Brandon Smitley #423
B.A.K. Motorsports
2005 TRX450R Race Bike
2006 TRX450R Practice Bike
Special Thanks to:
Dave Carter (DC motorsports)
Bruno At Quadified Racing Engines
Fly Racing / Western Powersports
Jody at JB Racing
Impact Solutions
Elka
Leatt
Ernie At FTR
Rath Racing
All Balls Racing
Slick
Grandma and Pappy
Registered User
Anybody?
Brandon Smitley #423
B.A.K. Motorsports
2005 TRX450R Race Bike
2006 TRX450R Practice Bike
Special Thanks to:
Dave Carter (DC motorsports)
Bruno At Quadified Racing Engines
Fly Racing / Western Powersports
Jody at JB Racing
Impact Solutions
Elka
Leatt
Ernie At FTR
Rath Racing
All Balls Racing
Slick
Grandma and Pappy
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