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I am really needing some good advice here from anybody who has ever owned or rebuilt classic Yamaha 2 strokes (1989 - 1994). I live in South Africa, and bought a little farm thumper while on holiday this past weekend. It was advertised as a DT175 which is a bike that is easy to get parts for down here. It has been cosmetically customized and looks pretty darn cool... and lets face it, all the old classic Yamaha 2T engines look the same at a glance! So I genuinely thought it was a naked DT. The bike had no papers, and was used purely for the farmer to putt around on his farm.
The only things needing attention was the stator cover which had snapped in half - this was visibly noticeable, and a little leak from a badly resealed gasket (both generally easy and cheap to fix here). The bike was still running and idling fine, started first kick, and I had a little ride around the farm before loading the bike up onto my pickup and heading off, thinking I could fix this thing up nicely in no time for next to nothing, and have what we call down in SA "a nuwe speelgoed" (A new plaything) for the weekends when I am not riding my beloved and reliable DRZ400SM.
SO, I get home and decide to contact our local Yamaha branch, out of interest, to find out the history of the bike before I start fiddling (Don't ask me why I did not do this all before I bought the bike - It was a spur of the moment purchase, and was sold to me for dirt cheap!). I send off the VIN and engine number. Comes back, and this little freakin' turd turns out to be a 1989 TDR180!! WHAT. But now I am stuck as we do not really have TDR's down here - and I have never even seen one myself.
Long story short - What alternative could I use as a stator cover? Do any other old Yamaha 2T model stator covers fit the TDR or share similar engine parts? Ordering from Ebay is so expensive thanks to my country being in junk status due to a junk president. So the shipping costs more than the actual item does, and our customs is a joke too. Yamaha has also advised me that this stator cover has been discontinued.
I have put up local ads looking for parts, contacted FB 2T groups, and local shops. Nothing for TDR's has come back yet.
Any advice or sharing of experience is welcome!
By Gary Semics
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I bought a Yamaha Yz125 1996. Didn't start so I turned the Reed valves around and it worked 100%. It was standing for a very long time. Last weekend when I went out with it, it started loosing power and after a while it just stopped starting again. Can this be the reedvales that is old? Btw the idle skrew also came out almost completely when I drove it so maybe that can be a issue. Also when I opened the Reed valves I found very thin metal shavings. What can cause this?
Hi, here goes my first thread as well as my first post on here! Name is Matt. Been a reader for quite a while and have learned a ton from these forums.
Anyways, i'm 24, and have liked motocross bikes since I was 6, my uncle was an mx rider here in the northeastern ohio and shoot mainly all over ohio (greg urban, 803, rode hondas say something if you know him lol) but ever since I was a young gun i was in love with bikes but never had one of my own, just a 90cc dinli 2 stroke quad my gramps got me in mansfield on the farm when i was about 12, lol! That thing and that farm are long gone, they didnt pay taxes and ended up gettin screwed for it, lost everything, all the toys, boats, quads, golf carts, had to sell it and move to somewhere much more affordable. My family isnt the smartest but theyre pretty cool.
ANYWAYS. I am 24 now and just recently had the chance to grab a bike to work on, ive spent my live doing other things like skateboarding, going to school, working full time, moving in with a girl etc. So I just found a 1990 yz125 on offerup for 200 bucks. I was dead broke at the time paying court costs n whatnot but I pulled together 100 bucks and made a deal with the guy to pay him 50 a week for the rest, since I had practically nothing and had literally just started a new job. So he was down and we met up and I got the bike.
(QUESTION: Can i post any sort of htm image codes so I can post these pics throughought the thread? Cause if so im gonna edit the heck out of this thread and make it way more organized.)
I brought her home. The reason it was so cheap is because the crankshaft was seized. The piston is in good condition, the cyclinder as well, no scratching or chipping, leading me to believe the issue could be in the main crank bearing. The guy I bought it off of has been in close contact, i see him once a week or so and we talk bikes and about the parts i'll need and whatnot. So my next step is to grab my next paycheck, finish paying him and bring the engine back over, split it open with him, and see if its just the bearing or whole crank assembly. Either way, pretty stoked about the deal, and the piston and cylinder being in such great shape.
Im gonna attatch the pics of the bike and the engine! The cylinder head is taken off as well as the pipe and kickstart but here she is.
Any input is appreciated! This is my FIRST bike and if anyone has any pointers about working on 2 strokes this old, I would REALLY appreciate it!
Also if anyone notices anything that I am not saying, please do say something! Or if there is anything super critical to check. I plan om getting a manual when I find one and literally checking every single thing that can be loosened and tightened on it.