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01-12-2012, 09:38 AM
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#1 (permalink) |
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:::Z-250 Rider:::
Join Date: Oct 2008
Location: Carmi, IL
Posts: 426
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300ex spring in the rear.
Hey guys just wanting to know if you have ever heard of swapping the rear spring from a 300ex onto our rear shock. When I purchased my quad from the previous owner he had said that this had been done to it. I also received a spring the supposedly the stock rear spring.
All I can tell you guys is if this is true I highly recommend it. When my wife had her Z you couldnt ever launch it because it would always want to stand straight up. With mine it sits a tad lower in the rear and launches like a dragster. Night and Day difference really. The Previous owner used to race GNCC. I have not seen this mod listed anywhere on the site so I was one, wanting to maybe verify this had been done to my quad and two, let everyone else know that I would recommend it for a super cheap mod.
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2003 Z434 April 2012 QOTM Engine- 434 BBK, JE 12:1, NSHC, Ferrea Valves, DRZ springs, DID 3/4 cam chain, Single layer base gasket, 42mm 450r carb non FCR, EBC Clutch, Stage IV full exhaust, Spectre Intake, K&N with outwear Last edited by spooln1; 01-12-2012 at 10:14 AM. |
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01-12-2012, 09:40 AM
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#2 (permalink) |
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:::Get a life! You're over 5000 posts:::
 Join Date: Oct 2008
Location: Southern California
Posts: 5,198
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Pics of both springs.
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2005 Z-400 Mine January 2011 QOTM 2004 Z-400 Brad'Z October 2011 QOTM http://www.suzukicentral.com/forums/...tm-winner.html 2004 Z-400 Wife's 1996 Sandsprite IV (sandrail) MINE Sponsors: Coors Light.............I sponsor them  !Life is tough...........it's tougher if you're stupid. |
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01-12-2012, 09:41 AM
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#3 (permalink) |
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:::Ozark 250 rider:::
Join Date: Aug 2011
Location: southern indiana
Posts: 350
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any pics of it?
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2007 LTZ 400 Mods Uni Air Filter, LRD Pro 4 Full, HDUSA +2, 13t&42t Dash lights & Key Relocated, Pro Armor Nerfs,Bumper, Grab Bar, Race cut fenders 2012 Sponsors O'neal USA, AXO, Fuel, Braking,Pro Armor, Sun Star, Hinson, Leatt,Race Tech, SMX, EKS, Slick, Factory Backing, Scar Racing
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01-12-2012, 09:46 AM
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#4 (permalink) |
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:::Z-250 Rider:::
Join Date: Oct 2008
Location: Carmi, IL
Posts: 426
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one is mounted up on the shock and the other isn't so it is really rough to see any difference between them. I am at work now but when I get home, if needed, I can snap some pics. They are both red haha
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2003 Z434 April 2012 QOTM Engine- 434 BBK, JE 12:1, NSHC, Ferrea Valves, DRZ springs, DID 3/4 cam chain, Single layer base gasket, 42mm 450r carb non FCR, EBC Clutch, Stage IV full exhaust, Spectre Intake, K&N with outwear |
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01-12-2012, 09:59 AM
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#5 (permalink) |
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Super Moderator
 
Join Date: Sep 2006
Location: Southern Minnesota
Posts: 6,432
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Seems logical, I've always thought the rear was a little too stiff (just the spring) a more gradual link helps to take a lot of the harshness out of the rear as well.
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03 LT-Z 470 Max Power 12.5:1 94mm Piston, Hot Rods +5 Stroker Crank, Web Cams 539 (+6) IN / 539 EX, with Hot Cams sprockets, Ferrea +1 Valves, LTZ/DRZ springs (IN)DRZ springs (EX), DRZ Manual Decomp. Ported head, FCR 41 with Noss adaptor, Home made intake, Modified HMF Full System, Home made header, Trailtech flywheel, Dyna Programable 54hp 36ft lbs
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01-12-2012, 10:06 AM
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#6 (permalink) |
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:::Z-250 Rider:::
Join Date: Oct 2008
Location: Carmi, IL
Posts: 426
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All I know is mine compared to stock makes one heck of a difference on keeping the front end down. I might have some pics of the two quads sitting side by side.
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2003 Z434 April 2012 QOTM Engine- 434 BBK, JE 12:1, NSHC, Ferrea Valves, DRZ springs, DID 3/4 cam chain, Single layer base gasket, 42mm 450r carb non FCR, EBC Clutch, Stage IV full exhaust, Spectre Intake, K&N with outwear |
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01-12-2012, 10:11 AM
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#7 (permalink) |
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:::Z-250 Rider:::
Join Date: Oct 2008
Location: Carmi, IL
Posts: 426
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Only decent pic I could had of them side by side in the rear.
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2003 Z434 April 2012 QOTM Engine- 434 BBK, JE 12:1, NSHC, Ferrea Valves, DRZ springs, DID 3/4 cam chain, Single layer base gasket, 42mm 450r carb non FCR, EBC Clutch, Stage IV full exhaust, Spectre Intake, K&N with outwear Last edited by spooln1; 01-12-2012 at 10:13 AM. |
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01-12-2012, 10:30 AM
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#8 (permalink) |
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Super Moderator
Join Date: Sep 2006
Location: Southern Minnesota
Posts: 6,432
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Do you jump much? How different are they for jumping? I suppose you could always turn the compression up to make up for it, but I'm a heavy rider, and i've found that I have the compression maxed most of the time. I need to re-valve, but I think a re-valve may go real nicely with that spring.
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03 LT-Z 470 Max Power 12.5:1 94mm Piston, Hot Rods +5 Stroker Crank, Web Cams 539 (+6) IN / 539 EX, with Hot Cams sprockets, Ferrea +1 Valves, LTZ/DRZ springs (IN)DRZ springs (EX), DRZ Manual Decomp. Ported head, FCR 41 with Noss adaptor, Home made intake, Modified HMF Full System, Home made header, Trailtech flywheel, Dyna Programable 54hp 36ft lbs
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01-12-2012, 10:34 AM
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#9 (permalink) |
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:::Z-250 Rider:::
Join Date: Oct 2008
Location: Carmi, IL
Posts: 426
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Biggest air I get is about 4ft off the ground. So no I never really jump. It is all woods riding for me. Big trees do fall though and you have to stack other logs in front of them to ramp over them and thats always fun. Sorry I couldn't help on that portion of this swap.
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2003 Z434 April 2012 QOTM Engine- 434 BBK, JE 12:1, NSHC, Ferrea Valves, DRZ springs, DID 3/4 cam chain, Single layer base gasket, 42mm 450r carb non FCR, EBC Clutch, Stage IV full exhaust, Spectre Intake, K&N with outwear |
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01-12-2012, 10:35 AM
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#10 (permalink) |
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:::Z-250 Rider:::
Join Date: Oct 2008
Location: Carmi, IL
Posts: 426
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By the way even when I had my stock axel my quad wasn't near as tippy as the wifes either. it would want to slide out on you before flipping you.
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2003 Z434 April 2012 QOTM Engine- 434 BBK, JE 12:1, NSHC, Ferrea Valves, DRZ springs, DID 3/4 cam chain, Single layer base gasket, 42mm 450r carb non FCR, EBC Clutch, Stage IV full exhaust, Spectre Intake, K&N with outwear |
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01-12-2012, 12:06 PM
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#11 (permalink) | |
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:::Get a life! You're over 5000 posts:::
Join Date: Oct 2008
Location: Southern California
Posts: 5,198
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Quote:
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2005 Z-400 Mine January 2011 QOTM 2004 Z-400 Brad'Z October 2011 QOTM http://www.suzukicentral.com/forums/...tm-winner.html 2004 Z-400 Wife's 1996 Sandsprite IV (sandrail) MINE Sponsors: Coors Light.............I sponsor them !Life is tough...........it's tougher if you're stupid. |
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01-12-2012, 02:06 PM
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#12 (permalink) |
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:::Z-250 Rider:::
Join Date: Oct 2008
Location: Carmi, IL
Posts: 426
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Yes mine is on the left and I was able to run home over lunch to snap some pics.
300ex spring mounted on z400 rear shock and z400 rear spring unmounted.  
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2003 Z434 April 2012 QOTM Engine- 434 BBK, JE 12:1, NSHC, Ferrea Valves, DRZ springs, DID 3/4 cam chain, Single layer base gasket, 42mm 450r carb non FCR, EBC Clutch, Stage IV full exhaust, Spectre Intake, K&N with outwear |
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01-12-2012, 04:40 PM
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#13 (permalink) |
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:::Vinson Rider...wtf?:::
Join Date: Jun 2009
Posts: 705
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They look almost identical, does anyone know the spring weight?
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Trinity Stage 4 full exhaust, UNI filter w/ DIY powerlid, 400EX airboot, FCR39, R&D fuel screw, DRZe kit, Yoshimura Cams, Motion Pro Twist throttle, Pro Taper bars, YFZ calipers, TRX master cylinder, KX clutch perch, KTM lines, Acerbis hand guards, TrailTech Vapor, aluminum radiator shrouds, aluminum heal guards, bossbearing DLR conversion, ZX6 LED tail-light, full PRM skids and bumper, ITP's w/GNCC's, Laegers +2, Houser +1.25 |
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01-12-2012, 08:32 PM
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#14 (permalink) |
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:::LT500 Rider:::
Join Date: Dec 2009
Location: OK
Posts: 1,208
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I don't think that's a stock 300ex spring. Im checking them on ebay and all the ones I see are progressively wound. The coils are spaced closer together on one end and farther apart on the other. Also the 300ex shock is almost impossible to take apart since they don't have threaded collars.Looks more like the 400ex spring. I'll check the garage later I have both shocks down there.
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LRD Attitude Aluminum Frame, 462cc Stroker, 41mm FCR, 540/539cams, Curtis Sparks Exhaust, Dyna Prog, Fox Float EVOL DSC up front, +2 Burgard A-arms, Janssen Outlaw Rear Suspension Kit with Elka stage 3 shock, Team Industries +3 Axle, Hipers, Flexx Bars, Laker Plastics, intake by me, front mounted battery, Rekluse EXP clutch, Trailtech flywheel, and a few other goodies  .
Last edited by 711streetfighter; 01-12-2012 at 09:29 PM. |
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01-12-2012, 09:31 PM
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#15 (permalink) |
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:::LT500 Rider:::
Join Date: Dec 2009
Location: OK
Posts: 1,208
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Well I went down there an looked. I would bet that is a 400ex spring. Same number of coils as what you have.
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LRD Attitude Aluminum Frame, 462cc Stroker, 41mm FCR, 540/539cams, Curtis Sparks Exhaust, Dyna Prog, Fox Float EVOL DSC up front, +2 Burgard A-arms, Janssen Outlaw Rear Suspension Kit with Elka stage 3 shock, Team Industries +3 Axle, Hipers, Flexx Bars, Laker Plastics, intake by me, front mounted battery, Rekluse EXP clutch, Trailtech flywheel, and a few other goodies .
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