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Running temp
(Preview)
What temp do your bikes run at in this weather or in general?
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Derbyian
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13
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380
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Anyone come across this ??
(Preview)
Ive got a missfire/problem at high revs that is proving to be a pain in the ass. Up to now ive changed the carb,changed the stator,flywheel,coil,new plug,and new oil.Im thinking CDI but wanted to see if anyone has come across this problem before i set it on fire. It will rev and ride great up to around 6-8...
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carl13671
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16
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455
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factory settings
(Preview)
hi were can i get the factory carb settings to set my carb up as its all on unknown at the minute float height and mixture screw are defo out the bike runs ok on choke doesent idle off choke and doesnt like wide open throttle running rich and possibley too oily as well thanks
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stevegti2
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11
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286
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where do all the pipes go from the carb and auto lube pump etc.
(Preview)
please someone send me a simple picture of the pipes, i dont know which goes where and it would be great to have the bike started today, thanks in advanced
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robby963
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20
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719
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kick start
(Preview)
http://cgi.ebay.co.uk/YAMAHA-DT125-KICK-START-MECHANISM_W0QQitemZ220413911582QQcmdZViewItemQQptZUK_Motorcycle_Parts?hash=item3351b1621e&_trksid=p3286.c0.m14
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Ryan22
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19
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564
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Losing Top End Power
(Preview)
Whilst out on my bike today it started to feel like the powervalve was not fully opening when it hit 7000rpm normally the bikes lets rip and shoots up to 11000rpm and tops out around 78mph now it hits 7000rpm and seems to rev out slower and now tops out at 65mph. I checked the power valve and its working fine...
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gooner78
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2
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248
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Dt won't go in to the band! Any ideas?
(Preview)
sayin the day boys? Was out on my dt this mornin and it ran ok for about 5 mile then as i come out the town i went to open it up and it would not go past 6 and a half. Just spluttering like ****, mate said it might be the carb but av cleaned it out and still the same! anything else it could be? am not really clued up on b...
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dt125r 1998
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5
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323
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Genuine Throttle Cable Vs Non Genuine Throttle Cable
(Preview)
Was alittle bored so thought I would put this up so some of you are aware, As have had a big problem with this before as some of you know, and for those who dont know do becareful when buying new throttle cables (apull) just spend that extra bit of money and get a genuine one from Yamaha the non genuine ones ar...
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PatMan
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15
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424
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3MB and 3BN cylinder differences
(Preview)
Can anybody tell me what the differences are?I planning to put in my lightburner a 3bn cylinder instead the 3mb it has now?Are the ports the same?I read somewhere that they are designed for different cranks.One for 50mm stroke and the other for 50.7?Is that true?
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gasto
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15
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4108
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snorkel on or off ?
(
1 2 3
)
(Preview)
Hi agian conflicting posts over this so any input would be good Air box breather on or off ?? Thanks Mark
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mark2010
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69
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2104
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reed switch
(Preview)
What's the likely issue if this is disconnected all together? Will it still retarded the ignition? I ha v e vapour clock k s and removed all old . Wiring but the cdi will still be waiting for some sort of signal I assume? Any thoughts please
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dread123
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9
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649
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Dep pipe and athena silencer..
(Preview)
hello there just wondering wether the dep powerpipe and the athena silence fit together has anyone ran this setup??
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supermotard69
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10
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343
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petrol problem
(Preview)
I have just dug my wre 125 out the shed which I dumped in there because of an electrical problem 6 months ago. I fitted a new stator and flywheel and I had a nice bright spark so problem fixed and it kicked up on the fourth kick it was smokey as hell but running. The bike is running pre mix but I forgot to drain th...
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gooner78
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1
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232
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R2 cylinder head?
(Preview)
Just been offered a cylinder and head cheap, i asked about what model the head was as I'm after a 3mb and the lad said it was an r2 or 2r? Anyone know what that means? I'm thinking he either cant read or its from an old lc or something!
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Brewski92
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3
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358
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power loss /erratic rpm 5k>
(Preview)
hi guys. finished my project and been out for a ride on it but somethings up with it. Cant quite put my finger on it but basicly when i get to around 5k onwards the revs start to get hesitant, even in neutral so i know it's not that reed switch that i moved out the way. when riding the bike it jerks and sounds lik...
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MartZ0r
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3
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283
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Possible Air Leak
(Preview)
Whilst out on my bike the other night my bike started to idle very high, It went from 1200rpm to just over 3000rpm. It is fine when the bike is first started but once it warms up the revs rise and it starts ticking over a just over 3000rpm again. My first thought was left had crank seal had failed and was sucki...
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gooner78
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11
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318
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Reputable 2 Stroke Tuning Company
(Preview)
Hello, I was wondering whether or not you guys know any decent two stroke tuning specialists that I can send my barrel off to to have it mildly tuneD. What do people reccomend? Who gets the best results? Other than stan stephens and mick abbey who else is there. Out of the two i've mentioned who is the be...
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Calum122
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20
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1520
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Running Rich
(
1 2
)
(Preview)
Since i rebuilt my engine my bike has been running rich, i didn't think it was to much of a problem as i was running it in anyway. 600 odd miles later and it is still running rich, i have a 210 main jet, with the needle clip at the top, standard expansion chamber, dep end can. After about 500 miles i removed the...
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fused420
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48
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994
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Engine Dismantling
(
1 2
)
(Preview)
Anyone got any tips on how to take the engine to bits - the cross head screws on mine seem a bit soft and i'm worried i'm gonna round them off. Any tips?
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Slinky
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30
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842
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stan stephens
(Preview)
has any one used him and is it worth the cost?
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winkle
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8
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524
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Reed Switch
(Preview)
Not posted here for a while,hope everyone is well. Is anybody running their bike with the dash reedswitch taken off? Ive fitted a vapor dash so have no reedswitch but was wondering if there is any resistance running through it to the CDI before it hits the 60mph limiter. Some people have said earth one o...
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carl13671
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4
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526
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different heads
(Preview)
Well ive had to pull the head off my bike again so i thought a comparison shot was in order. just wonder what is the difference between the 2 of these performance wise if any, both are 4fu heads. but 1 is a Y-3 and the other a Y-1, both are labelled as such thanks. [IMG]http://img.photobucket.com/albums/...
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seancullen
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7
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584
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Oil pump
(Preview)
Couldn't see a section for this Basically replaced the throttle cable, the oil pump cable is FAR too long though, but I can get around adjusting it Question is, is the oil pump suppose to be fully closed (as in if there was no cable attached) when on idle or should it be opened a little and then fully open...
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Harry
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22
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456
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60mph?
(Preview)
hi guys! my bike only goes about 60mph indicated and wont do anything in sixth gear! ive to my knowledge derestriced it as far as i can! i believe is a 2002 engine and loom. i have isolated the reed switch put an older air manifold on it and have a dep system the pv is also pinned! any input? thanksss
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benjarminx
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12
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369
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Thoughts on non gen gaskets and seals
(Preview)
Alright guys had a few problems with my dt recently and I had to replace head gasket r/h crank seal and water pump seal I bought all genuine stuff for it and we had a problem when fitting the water pump seal where the spring on the seal decided to come off at one point when we had put it on and after ages trying t...
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BigPhil
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2
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265
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