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11-22-2011, 09:52 AM
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#16 (permalink) |
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:::Ozark 250 rider:::
 
Join Date: Jun 2011
Location: Medina, Ohio
Posts: 349
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When I got my Z this spring it had a lower end knock to it. I rode it for about 6 months before it went. The Rod siezed to the crank. I was luck when it went. It was just idleing when it froze. Didn't do any other damage. Now it's getting a complete overhaul. +4 crank, BBk, cams, carb, valves, springs, dyna, full ex. on and on and on. I can't wait to feel the differance.
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11-22-2011, 12:10 PM
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#17 (permalink) |
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:::Official Spammer:::
Join Date: Feb 2008
Location: PA
Posts: 3,251
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The bearings will get so bad that it will seize in place then you need to split the cases and put a new crank in but it's inevitably now at this point it's just a matter of time, personally I would make sure it's that then just fix it before yu get more glitter everywhere.
__________________
2006 LTR450
Engine Mods: Yoshimira Cherry Bomb - RS-5 Full Exhaust - Inspection Plug Choke B/O Nut - Start Button JE Piston Suspension, Steering & Chassis: Flexx Bars w Turner Clamps - Precision Damper - Tag Skid Plate Powermadds - LT Fox Evol w FuelATV A-Arms - Fox Podium Rear Pro Armor Grab Bar - IMS Roll Nerf + Heel + Bumper Misc: DID X-Ring Chain - Sprocket Guard - Frame Guards - ProDesign K/S Hiper Tec 3 - ITP Beadlock Rear Rims Parted Out: 2004 LTZ400 - September 2011 QOTM |
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11-22-2011, 07:10 PM
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#19 (permalink) |
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:::Official Spammer:::
 
Join Date: Jun 2006
Posts: 3,399
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Are they all tight?
__________________
05' Z434 12.5:1CP,Full Yosh TRC,FCR40,175/45,Rat Stack,Dyna Programmable,AMR Coil,KW Valvetrain,536/540 Web's,DID Tchain,PWR Radiator,Raptor petcock,Gunnar Kill,Elka S3 Front+Rear w/link,Roll+1 Stem,GPR Stabilizer,SL Hyd.Clutch,Tag T2,LSR+3 Arms,Burgard+1 Swinger,Quadtech Rad Shrouds,Supersprox 14/40t,UM Air Box,YFZ Calipers,SS Lines,PA Bumper,Asv's,Roll Nerfs/Heels/Pegs,LSR Axcalibar,Douglas G2 Beadlocks/Razr's,Hid,YFZTail,Pwrmadd's,TT Vapor+Dash,CV4's,RickyStator. July 2011 QOTM 
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11-22-2011, 08:05 PM
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#20 (permalink) |
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:::Get a life! You're over 5000 posts:::
Join Date: Oct 2008
Location: Southern California
Posts: 5,264
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well as much as that does not sound like a cam chain........have you checked the acct yet to see if anything is left?
__________________
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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11-23-2011, 12:31 AM
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#22 (permalink) |
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:::Mini LT80 Rider:::
Join Date: Mar 2004
Location: WI
Posts: 158
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I wouldn't ride it until you tear it down and check everything out. This summer I had to rebuild mine. The plating started coming off the cylinder, did damage to the oil pump, which is what I believe took out the crank. If the rod or crank bearings are bad, I would check the oil pump out before puting back together. Good luck, hopefully it is just a smal fix. Mine got expensive.
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11-28-2011, 08:43 PM
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#23 (permalink) |
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:::Official Spammer:::
Join Date: Jun 2006
Posts: 3,399
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Any update?
__________________
05' Z434 12.5:1CP,Full Yosh TRC,FCR40,175/45,Rat Stack,Dyna Programmable,AMR Coil,KW Valvetrain,536/540 Web's,DID Tchain,PWR Radiator,Raptor petcock,Gunnar Kill,Elka S3 Front+Rear w/link,Roll+1 Stem,GPR Stabilizer,SL Hyd.Clutch,Tag T2,LSR+3 Arms,Burgard+1 Swinger,Quadtech Rad Shrouds,Supersprox 14/40t,UM Air Box,YFZ Calipers,SS Lines,PA Bumper,Asv's,Roll Nerfs/Heels/Pegs,LSR Axcalibar,Douglas G2 Beadlocks/Razr's,Hid,YFZTail,Pwrmadd's,TT Vapor+Dash,CV4's,RickyStator. July 2011 QOTM
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01-02-2012, 12:12 PM
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#24 (permalink) |
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:::Rookie Rider:::
Join Date: Nov 2011
Posts: 25
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Hey guys sorry for not replying sooner ive been real busy with worth and stuff. I changed the oil filter and found a LOT of metal shaving in it. I changed the oil and went riding this past Saturday half way threw the day the motor locked up. so i took her home and started tearing her down. so far ive found the cylinder wall scored bad and the piston has almost a half inch play side to side. i have not gotten into the bottom end yet to see if there is any damage there. As it looks right now im at least going to have to get a bbk. I was wondering who makes a good bbk and figure since im going to do that might as well build the rest of the engine and wondering what would be a good combination for a reliable build that i can run pump gas on. Thanks guys for your help so far i really appreciate it.
Austin 
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01-02-2012, 12:15 PM
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#25 (permalink) |
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:::Official Spammer:::
Join Date: Feb 2008
Location: PA
Posts: 3,251
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You sound just like me. No lie. Look at my old thread of my quad adventure, i had scoring on the cylinder walls and i thought, just like you, that i needed a BBK, turned out my crank bearings went bad.
My Quads Adventure...(In Progress)
__________________
2006 LTR450
Engine Mods: Yoshimira Cherry Bomb - RS-5 Full Exhaust - Inspection Plug Choke B/O Nut - Start Button JE Piston Suspension, Steering & Chassis: Flexx Bars w Turner Clamps - Precision Damper - Tag Skid Plate Powermadds - LT Fox Evol w FuelATV A-Arms - Fox Podium Rear Pro Armor Grab Bar - IMS Roll Nerf + Heel + Bumper Misc: DID X-Ring Chain - Sprocket Guard - Frame Guards - ProDesign K/S Hiper Tec 3 - ITP Beadlock Rear Rims Parted Out: 2004 LTZ400 - September 2011 QOTM Last edited by TuckerHardRide; 01-02-2012 at 12:22 PM. |
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01-04-2012, 07:35 PM
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#26 (permalink) |
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:::Mini LT80 Rider:::
Join Date: Nov 2011
Posts: 179
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prob rod/crank failure..... lock tite the flywheel bolts while your apart...those little things are the reason I have a+5mm stroker motor.
 450cc.how did your wrist pin look? start by checking you rod clearance at the large end at the crank..
__________________
2012 Sponsors: Thede Photography/Riders GT Thunder: HLS AXO Smith Goggles GoPro DWT Hot Cams Hot Rods Pivot Works Cylinder Works Vertex Pistons Slick OffRoad Wash #888 Dan Hill Just a little kfx400. Last edited by racer888; 01-04-2012 at 07:38 PM. |
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01-05-2012, 08:37 PM
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#27 (permalink) |
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:::Rookie Rider:::
Join Date: Nov 2011
Posts: 25
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Hey guys i have still not had time to get into the bottom end but im guessing its toast as well. I was looking around for a complete rebuild and found this on ebay would this be a good kit to buy? and would i be able to run pump gas? also would i need any other mods to support this cams,valves,springs etc.. sorry im new to engines. Thanks for all your help so far.
Austin |
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