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Title: Finally started my motor rebuild Post by: Ride1Rob on January 22, 2008, 07:40:31 PM Back in Late November I had my piston to crap out on me. It cracked in 5 different places around the wristpen area. This caused play and began to rattle. A peice of the rod broke off and fell down into the motor and did some minor damage to my cases. I've had the parts for a few weeks now and a couple of days ago I began the repair/rebuild process. Here are some pics of the damage and where I am on the rebuild.
(http://www.uploadhouse.com/fileuploads/834/834298cab98db60ae6c3e494e529bace6c1bb9.jpg) (http://www.uploadhouse.com/viewfile.php?id=834298&showlnk=0) (http://www.uploadhouse.com/fileuploads/834/834297dd25a767b4d84a38d2e8b1df75caa3e7.jpg) (http://www.uploadhouse.com/viewfile.php?id=834297&showlnk=0) (http://www.uploadhouse.com/fileuploads/834/8343007580b364ad6d8c2574d5d1795c235ee3.jpg) (http://www.uploadhouse.com/viewfile.php?id=834300&showlnk=0) (http://www.uploadhouse.com/fileuploads/834/834299a6641290b4acdbc359acf4ec18f37a4d.jpg) (http://www.uploadhouse.com/viewfile.php?id=834299&showlnk=0) (http://www.uploadhouse.com/fileuploads/834/834303e46eac3f25ba0cd6ddf069b9b6a481c1.jpg) (http://www.uploadhouse.com/viewfile.php?id=834303&showlnk=0) (http://www.uploadhouse.com/fileuploads/834/834302f627d2f3f298213f4d0d7ef6dc628784.jpg) (http://www.uploadhouse.com/viewfile.php?id=834302&showlnk=0) (http://www.uploadhouse.com/fileuploads/834/834301eda2cb0da4538a681b02a7a32a9359c9.jpg) (http://www.uploadhouse.com/viewfile.php?id=834301&showlnk=0) Repair and Rebuild (http://img3.uploadhouse.com/fileuploads/1121/1121474f192b7c520224b9219b8bf583f377445.jpg) (http://www.uploadhouse.com/viewfile.php?id=1121474&showlnk=0) (http://img2.uploadhouse.com/fileuploads/1121/11214756e519c61dd05bbb3097cfff4ca07fe78.jpg) (http://www.uploadhouse.com/viewfile.php?id=1121475&showlnk=0) (http://img5.uploadhouse.com/fileuploads/1121/11214771b12f8adae0ab693d4f6ae83dba38455.jpg) (http://www.uploadhouse.com/viewfile.php?id=1121477&showlnk=0) Title: Re: Finally started my motor rebuild Post by: novadave on January 22, 2008, 10:07:17 PM So rob tell us about the rebuild. Did you go bigger or just a new piston?
Title: Re: Finally started my motor rebuild Post by: Ride1Rob on January 23, 2008, 08:28:35 AM Well, I had the WR crank, highcomp piston, portwork, and cams. I've twice tried to get 6months out of ride time out of a JE highcomp piston and they both cracked. Just my luck on this one it did some damage. So I'm now going with the 06 crank/rod and the stock 06 piston.
Title: Re: Finally started my motor rebuild Post by: greenmachine on January 23, 2008, 09:30:04 AM Its about time...j/k ;)
Title: Re: Finally started my motor rebuild Post by: Ride1Rob on January 23, 2008, 10:27:41 AM You're right about that Steve. I'll surely have it ready for next month ;) . Now that I think about it, I forgot to hit you on Saturday. I slept on and off Friday, Sat, and Sunday (Fell asleep during the Pats game). Friday I had to do a Mock call out and was up at 2am that morning. So my weekend was basically done.
Title: Re: Finally started my motor rebuild Post by: Ride1Rob on January 23, 2008, 04:54:10 PM Bottom end done ;)
Right side... (http://img1.uploadhouse.com/fileuploads/1126/11267051a7907999166981c35c564feec72aabe.jpg) (http://www.uploadhouse.com/viewfile.php?id=1126705&showlnk=0) (http://img6.uploadhouse.com/fileuploads/1126/11267067fc9734874110909f95a3257d41d5721.jpg) (http://www.uploadhouse.com/viewfile.php?id=1126706&showlnk=0) (http://img2.uploadhouse.com/fileuploads/1126/1126708235ad91c27761a35c291b7852b0f0a58.jpg) (http://www.uploadhouse.com/viewfile.php?id=1126708&showlnk=0) Left side... (http://img6.uploadhouse.com/fileuploads/1126/11267044711bed07594e0e87d4d4d22575c5500.jpg) (http://www.uploadhouse.com/viewfile.php?id=1126704&showlnk=0) (http://img2.uploadhouse.com/fileuploads/1126/1126707c37a9cddfc4e2e612f2fb97eebc03660.jpg) (http://www.uploadhouse.com/viewfile.php?id=1126707&showlnk=0) (http://img3.uploadhouse.com/fileuploads/1126/11267097b103a0cdaa8ba7bc388249490b62bca.jpg) (http://www.uploadhouse.com/viewfile.php?id=1126709&showlnk=0) I know I know, she needs a nice cleaing (lol). The inside was cleaned :P . Will probably put her back in the frame tomorrow and start on the valves. Title: Re: Finally started my motor rebuild Post by: greenmachine on January 24, 2008, 07:59:53 AM We didnt go anyways. Had a family party Sat night & kinda just sat around & prepared for that. Sunday I was pretty much worthless all day, then both teams I was rooting for lost. Hoping to take the boys out this Saturday am that is if they can keep it together at school today & tomorrow to finish off with a good week.
I will pm you if we do indeed go. Title: Re: Finally started my motor rebuild Post by: YELLOW RR on January 24, 2008, 03:48:46 PM Have you ever had to replace the cam chain or tentioner(sp.). I have a 06 and want to know, when those parts need to be replaced. Thanks.
Title: Re: Finally started my motor rebuild Post by: Ride1Rob on January 24, 2008, 08:47:25 PM Yes! The one that I'm replacing is only a year old and is fine. But since I had to tear the whole motor apart I figured to replace it. It's only $15. As far as your tensioner, that should be fine.
Title: Re: Finally started my motor rebuild Post by: Ride1Rob on February 17, 2008, 09:27:38 AM Well, finally finished the motor a few days ago after being completely swamped with work. I found that I had a crack in the nickasil on my cylinder so that set me back a few days also. Took it out yesterday and rode with Dreth. We put some hard riding in and I'm definitely out of shape. Got tired after the 1st 15 miles :( .
(http://img5.uploadhouse.com/fileuploads/1288/12889432694d7435a37ee085162fee9c1b047e6.jpg) (http://www.uploadhouse.com/viewfile.php?id=1288943&showlnk=0) (http://img8.uploadhouse.com/fileuploads/1288/1288944c26cc2b3028fd0e5cab19e11d7d1f68f.jpg) (http://www.uploadhouse.com/viewfile.php?id=1288944&showlnk=0) (http://img2.uploadhouse.com/fileuploads/1288/128894590446823d3b3815326ae257d700c0b42.jpg) (http://www.uploadhouse.com/viewfile.php?id=1288945&showlnk=0) Title: Re: Finally started my motor rebuild Post by: lugnuts on February 17, 2008, 10:03:44 AM did you do the oil mod and oil pump upgrade on that you can use the 07 yamaha yfz side cover and oil nozzle and oil pump that way you wont crack your piston at the wristpin anymore due to lack of oil there
Title: Re: Finally started my motor rebuild Post by: Ride1Rob on February 17, 2008, 10:26:38 AM It wasn't due to a lack of oil. I already have the 07 oil upgrade done. I was trying to get longevity out of a setup that was designed for racing. The JE high comp piston just wouldn't hold up for me so I did away with it and went back to stock.
Title: Re: Finally started my motor rebuild Post by: predatorracer8 on February 17, 2008, 11:01:19 AM are those trx 450 front fenders or is that just a style of racing plastics you got?
jake Title: Re: Finally started my motor rebuild Post by: RTR_380/450R on February 19, 2008, 12:30:29 AM Let me know when you want to put that thing together and get some power out of it!!!
Stop playing around and bring it on in so we can make you some good dependable ponies! ;) Good job, jt Title: Re: Finally started my motor rebuild Post by: Ride1Rob on February 19, 2008, 06:43:19 AM are those trx 450 front fenders or is that just a style of racing plastics you got? jake No, They're Polisport Yami fenders that I cut. Let me know when you want to put that thing together and get some power out of it!!! Stop playing around and bring it on in so we can make you some good dependable ponies! ;) Good job, jt Thanx JT, but I'm done with all the HP mojo. I don't race anymore so I don't need big HP #'s. I still have the portwork and cams which still give me nice hp with no issues on durability. If I were to start back racing I'd surely go with you guys. Title: Re: Finally started my motor rebuild Post by: yfz122 on February 19, 2008, 08:00:13 AM Let me know when you want to put that thing together and get some power out of it!!! I have been torturing my RTR motor for almost two years. Stop playing around and bring it on in so we can make you some good dependable ponies! ;) Good job, jt |