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STICKY:
Yamaha TZR125 R 4DL Belgarda Cylinder
(Preview)
Information On Yamaha's TZR125R 4DL Belgarda 3MB00P Barrel I want to collate information about the collection of cylidners available to us users of the DTR. I think it would be handy to have a library of different barrels with information so that people can effectively research information about...
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Calum122
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0
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2334
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STICKY:
Yamaha TZR125 R 4FU Cylinder
(Preview)
Information On Yamaha's TZR125R 4HW 4FU00 Barrel I want to collate information about the collection of cylidners available to us users of the DTR. I think it would be handy to have a library of different barrels with information so that people can effectively research information about different...
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Calum122
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0
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3806
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STICKY:
DT125R CYLINDER AND HEAD - PARTS BREAKDOWN
(Preview)
DT125R CYLINDER AND HEAD[URL=http://imageshack.us/photo/my-images/818/barrelandhead2.jpg/][IMG]http://img818.imag...
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NEV
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0
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1219
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STICKY:
Head Gasket Gone??? *Look Here*
(closed)
(Preview)
Hello all, Seen this online, it is how I do mine when I am rebuilding an engine. Works a treat as you can see. So if you're suffering from chronic head gasket failure give this a try.... http://www.youtube.com/watch?...
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NORFE
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0
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1760
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200cc ,zeeltronic, 3xp, v-force, dep, tm34ss, yz induction hose mod
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(Preview)
just arrived today,nicasil bore! Rare, great condition! the head studs where drilled out so im going to have to sort that. looks pv is in great condition going to sandblast all the bits and rebore and nickasil it,with a wiseco piston new wiseco gaskets on the way. then going to work the crank cases t...
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the only way is YAMAHA DTR
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257
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105038
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Separating barrell from engine
(Preview)
Hi I haven't been around for a while but I'm after a bit of help rebuilding my brothers dt125re.so far I've stripped all the too end apart apart from the barrell itself.it seems to be firmly stuck to the bottom end on the two front studs.I've soaked it in penetrating fluid and whacked it God knows how many...
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madrevs
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3
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1311
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engine just locked up
(Preview)
Just had to push my bike back over 3 miles after the engine bogged then the rear wheel locked up for a second then died the engine is not locked up though as you can still push the kickstart down and there's still a tiny bit of compression left so what your thoughts I'm thinking I may have done a piston ring. I...
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gooner78
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21
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2186
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torquing down a cylinder head whilst engine is in the frame
(Preview)
Is there anyway of doing as I've just got my cylinder rebored and I want to torque the head down correctly but there seems to be no way to torque down of doing whilst the engine is in the frame due to the down tube of the frame. I don't really want torque down 4 of the nuts correctly and then just guess with the l...
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gooner78
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4
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1560
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Mild rattling sound. could it be the clutch? top end just rebuilt
(Preview)
Hello anyone who knows what is causing this rattling sound? Its not so bad but its absolutely present..
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sindre98
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4
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1261
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1990 DTR 125 (HEAD GASKIT DISSCUSTION)
(Preview)
Right guy, been thinking and need your options. When doing a rebuild on a yamaha dtr 125 1990/1999 when replaceing the gaskit set how meany of your use the paper base gaskit and aluminium head gaskit? Anyone ever used paper head gaskit aswell as base? And had any problem? Thanks, jay.
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Djreeterx
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5
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1530
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knocking when piston changes direction
(Preview)
Hi im currenly putting my cylinder on and when im turning the fleewheel so the piston moves up and down i can hear a knock everytime the piston changes direction.Is this normal? im 100% sure its not my connecting rod bearing. could it be the bearing that sits on the bolt that goes through the piston? beca...
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sindre98
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8
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1623
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necesarry to modify head gasket overzie?
(Preview)
Hi just got my barrel bored to 57 mm and was wondering if i would have to modify the head gasket or? i think i can remember reading about it in here...
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sindre98
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4
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1111
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chunk missing?
(Preview)
hi as you can see it looks like there is missing a little chunk above my exhaust port. one day my bike rode very bad, bad compression. i found out that my piston had lost a chunk as you can see but no other damages but now it look like there is missing a little bit above my exhaust port. so maybe the piston took a...
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sindre98
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15
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1827
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heads an cylinders from diferent models of yamahas
(Preview)
I have a 3bn head an cylinder an also a 3 mb head an cylinder would it be worth selling all the above an buying a cylinder an head from another bike tdr / tzr etc I assume the tzr an tdr have different types of cylinder etc just like the dt I was looking at some random things on google the other day an found...
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dan28
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5
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1636
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seized engine?
(Preview)
Hi all Once again needing your advice Yesteday I came very close to coming off my bike on the way home from college, with absolutely no warning the back wheel locked up rolling off the throttle doing about 45/50mph, really don't know how I didn't come off but I somehow managed to keep it from going over, s...
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L_COLE
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23
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2465
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difference in cylinders 3bn & 3mb
(Preview)
Did We ever find out if the barrels are interchangeable ? i have both barrels (3bn y1 and a 3mb y1) and a spare 3bn bottom end will the 3bn cylinder work ?
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tomimsmith1992
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2
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1153
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+2.5 mm oversize on a 2000 barrel
(Preview)
hi lads iv got a spare barrel floating around i was going to sort it out as a spare if anything was to go wrong on the bike micro caliper reads the barrel at being 58mm at the top and 58mm at the bottom should i risk going any bigger ? or is it a scrap barrel also does anyone know where you can get a piston that big...
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tomimsmith1992
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3
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1046
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Silly question probably lol.
(Preview)
Right well , my dt had a heat seizure about 500 miles after it had been rebored. (due to friend putting wrong spark plug in). i sent away for repair , because the piston got stuck at the top of the cylinder! I could put the piston thru the bottom of the cylinder then about half an inch to the top it gets stuck. s...
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The_DtR_Maniac1991
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4
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1029
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Expensive Bill For This Chap
(Preview)
Just read this thread from a chap in Brazil. SP Barrel gave up. Here's just a few pictures of the damage. Full thread can be found here: LINK
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Calum122
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7
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1793
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Athena 125 cc top end
(Preview)
Done a search and could not find any info I was wondering if anyone has tried it and / or had any reviews or feedback as to if its any good or not?? Thanks
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SMurF_12
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11
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1459
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Head gasket? 06 DT125RE
(Preview)
Heard someone mention that if the cap blows off of your coolant expansion bottle then the head gasket has gone? Is this the case, cos I'm experiencing difficulties of a similar nature!
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GoProKid95
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1
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866
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3MB00P
(Preview)
Hi my friend just gave me a 3MB00P full top end and just wondering will it make any difference to my dt which has 3MB00 top end on at moment
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superted
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22
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2951
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german 165ccm barrel: my new purchase
(Preview)
after many months of contemplating buying the german 185ccm barrel from www.nopitz.de i came across a second hand 165ccm barrel bored and ported by the german company on the german ebay site at half the price they are charging. the barrel is a standard 4fu00 and looks to have been resleeved with a ste...
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Darren
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6
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1419
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Head studs
(Preview)
telly ho chaps been a while since I've posted I'm after some info, currently got a yz125 picked it up dirt cheap needed a new cylinder and top end got all that but the old head studs from the old Athena cylinder are goosed so I need a new set anyone know if dt ones will fit? Pretty sure they're 52 ml m8's any inf...
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Liam12
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0
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820
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top end set up question
(Preview)
hi guys i just want to confirm if there is everyhing ok with my setup the bike is a dt 125 x 2005 it came with a 3mb barrel and 3bn head on it running a tzr piston. would i be better of switching to 3mb head aswell or is it good how it is now?
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sebamax2
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3
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849
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