A Japanese manufacturer of motor vehicles and small engine driven devices

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5
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1answer
23 views

How to troubleshoot carburetor?

I am facing poor fueling with my carburetor in my 2011 Yamaha Fz 16. What are there trivial trouble shooting checks I need to do to diagnose the issue?? Edit: When ever I am driving in low RPM, I ...
2
votes
3answers
102 views

Which motorcycle engine and transmission configuration would have a higher top speed? [closed]

Can a higher cc (displacement) bike with 5 speed transmission or a lower cc (displacement) bike with 6 speed transmission have higher top speed? Example: Yamaha R15 (150cc, 6-speed transmission) v/s ...
4
votes
1answer
59 views

My Yamaha cut off while idling and now there is no power

I Started my FZR600 this morning for work. Normal crank. As I lowered the choke it started to die out so I tried to give it some throttle but it didn't help. The bike cut off completely. Checked all ...
4
votes
1answer
122 views

1999 Yamaha 80hp Outboard Electrical Problem (Rectifier Overheating)

I recently purchased a pontoon boat and on day #3 my motor died, I'm hoping to get some help from the community with correctly diagnosing and fixing the problem. The motor - 1999 Yamaha 80hp four ...
6
votes
0answers
131 views

Once-only thud knock when open throttle

I have a 1997 Yamaha TRX850. When I open the throttle I'm hearing a thud knock sound near the left crankshaft cover. That sound does not always appears and I can't find any correlation between ...
6
votes
1answer
122 views

Yamaha Seca - Motorcycle Idle problems

My motorcycle (1982 Yamaha Seca 650) has had a strange problem with the idle for a few years now. I have not been able to diagnose it and I'm hoping that someone here might be able to help. It starts ...
6
votes
1answer
54 views

carburetor failure in yamaha dt lanza

I have a problem with DT Lanza carburetor and the mechanic said I need to replace all the parts in carburetor. Can I get DT 200r carburetor on the DT Lanza 230, because it is hard to find it's spare ...
3
votes
1answer
40 views

Motorcycle muffler is stuck

Trying to get my muffler off of my Yamaha L5T but am having no luck. Any tips or tricks to getting this off?
6
votes
1answer
96 views

Motorbike chain tight when in gear pushed forward but loose when rolled backward

I have a Yamaha XJ600 diversion with a sidecar fitted. Recently had to fit two new tyres and a new rear sprocket for MOT. Chain seemed fine afterwards for a while but all of a sudden started making ...
4
votes
1answer
31 views

Tank Dents - 69 Yamaha L5T [duplicate]

I've been trying to get a larger dent out of my old gas tank for a while now and am having no luck. I've been trying the hot glue method and am having no luck. This tank seems to be too thick for this ...
6
votes
1answer
62 views

Paintless dent removal for old tank

Is there a way to remove dents like this on the right side of the image? I've seen suction tools but the reviews are bad. Any ideas?
1
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0answers
25 views

Wealth of info? 69 Yamaha 100 L5T [closed]

Just picked up my dad's old 1969 yamaha 100 l5t that's been collecting dust for the past 35-40 years. Anyone know much about these bikes? I'd like to get this thing running again and most likely swap ...
2
votes
5answers
2k views

Yamaha XJ750 not starting

I would like to thank all in advance for any advice I recieve. I own an 82 Yamaha 750 maxim, I have got single air breathers, for my 4 carbs and I removed the carbs to clean out and install air ...
6
votes
1answer
53 views

Motorcycle kickstarter locks at certain point

I was hoping to get some help diagnosing a kickstarter issue I'm having, so I can figure out what my next steps should be (if any) on the 1981 Yamaha XS400 I'm attempting to rebuild. When attempting ...
3
votes
3answers
150 views

While raising the accelerator suddenly my bike's speed goes down

While driving, I faced some problem in my bike. when I raise the accelerator suddenly my bike's speed goes down. Anyone knows what is the problem?. I'm using yamaha ss 125 cc bike.
4
votes
2answers
95 views

Replace Yamaha FZ6 radiator for two smaller ones

I bought the engine of a Yamaha FZ6. I want to use it to run a competition single seater car we are builiding in the university. The engine didn't bring the radiator with it. I would like to ...
7
votes
2answers
146 views

Yamaha YZ125K 1983 transmission bearings

I'm restoring an engine and am unable to locate 3 gearbox bearings. Identifying mark is either IXO or IKO. It is a needle roller bearing type and sits RHS crank case 1/3rd gear shaft. Mark clearly ...
4
votes
1answer
230 views

XJ600 1994 Seca 2

I am wondering if anyone can shed light on an issue we are having with this particular bike. Basically, the bike starts fine cold and warms up and drives perfectly for about 15 minutes ( responsive to ...
4
votes
2answers
185 views

Lost torque on my Yamaha XVS650

I have a Yamaha DragStar 650 1999. I have a Highway Hawk exhaust and I removed the baffles. Now the exhaust is completely open. When the engine is cold I can start it only if I pull the acceleration ...
7
votes
1answer
1k views

Clutch dragging and making squeaking/grinding noise

My motorcycle clutch (Yamaha Diversion) has recently started dragging extremely badly; I need to rev-match up and down gears and shifting from neutral into first requires me to rev the engine, pull ...
4
votes
2answers
435 views

Do I need to reprogram ECU when adding custom Air filter

I was thinking of replacing the air filter of a bike into a custom free flow filter. I understand that I have to mod the exhaust to free flow as well to accompany the increase in exhaust due to the ...
3
votes
1answer
56 views

2000 Yamaha R1 Quick Action Throttle

I've 2000 Yamaha R1 that I'm racing in my local Clubman's Championship. At the moment the throttle travel is very long, ie. half a turn or more from fully closed to fully open. I want to change this ...
2
votes
2answers
44 views

Yamaha Virago XV125 registration year

I have a Yamaha Virago XV125 on a Y plate, this gives the year 2001, but the V5C says the date of first reg is 2000 and DVSA say that it's 2001, who do I trust for this?? (I'm sure Yamaha stopped ...
3
votes
2answers
644 views

Restoring a 1985 Yamaha AG200

I was given a bike (1985 Yamaha AG200) and was dedicated to get the thing running so I can learn a bit more about how motors work. Its been sitting in a shed for about 20 years and the rats have got ...
2
votes
1answer
80 views

1987 Yamaha fz700 handlebar lock

On my ignition there are a couple positions, on, off, lock, and p. I assumed the lock was for the handle bar lock, but it doesn't lock when I switch it to that, when I switch it to P though it ...
3
votes
1answer
233 views

1995 Yamaha virago 535 Fuel pump problem

On my 1995 Yamaha virago 535, why does the fuel pump click 10 or so times before trying to start? I've replaced the fuel pump and fuel pump relay. It still has the clicking issue and will not start.
4
votes
1answer
2k views

What model carburetor is this? (Mikuni Corp)

Recently, my ATV (a 1997 Yamaha Big Bear 350 2x4) developed a carburetor issue where it would run rich. I took it to a mechanic who says that it needs a new carburetor. However, he was unable to find ...
3
votes
1answer
87 views

Requirements to use 55W Bi-xenon 6000k projector on yamaha r15 v 2.0

I have a problem with my vehicle headlights. Now I'm using a 35W 8000k projector for my bike. This is not having much light output as I wish. I'm really interested to see powerful light output from ...
5
votes
1answer
83 views

What does an EXUP servo and subsequently EXUP eliminator plug actually do?

This question relates to my 2012 Yamaha R6. I removed the kickstand safety actuator because it was bugging me, I found it useless, and my habit is often to lift the kickstand when I start moving ...
5
votes
1answer
124 views

When should I perform a valve head adjustment?

My 2012 Yamaha R6 has about 12000 miles on it. During that times I've had a couple rough accidents and I think the combination of those two factors it may be a good idea to check my valve clearance ...
2
votes
1answer
379 views

How to diagnose a bad stator?

Consider the following diagram : This is for a Polaris sportsman 700 2003 ATV On the top right corner, you have the information to check if the stator function properly. For the first three coils, ...
4
votes
2answers
629 views

Parking a motorcycle with hot engine

I have a question regarding my motorcycle (Yamaha FZ8 - 4Zylinder 800cc). At the weeksend I was driving through a town. It was very hot outside and I parked the bike. The coolingwater-temperature was ...
3
votes
2answers
70 views

Yamaha fz700 handlebar bent

Bike got tipped over by a random person, handlebar got bent, and throttle is really hard to move now so I decided to try to take it out to see what I could do. Here is a picture of the bar: You can ...
2
votes
1answer
268 views

Oil all over outside of engine

I have a 1988 yamaha route 66....I put some oil in, it has a slow leak by kickstand...I took it for a 5 mile ride last night. Afterwards I found it sitting in oil, and the outter engine /side was ...
-1
votes
1answer
129 views

Suggestions for replacing/upgrading exhaust/silencer for a 125cc Motorbike [closed]

I have a 125cc Yamaha Gladiator SS125, which is about 3 years old. I had my stock air filter (paper-based) removed and installed a K&N conical filter about a year ago. I wanted to know if anyone ...
3
votes
1answer
62 views

Why would I feel disbalanced or thrown around when riding a motorcycle

I have a Yamaha XJ600N, and at various points of time when riding around in the city at 50 to 60 kph I have had this strange feedback from the wheels or suspension that makes me feel either slightly ...
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0answers
18 views

Yamaha fz700 brake and headlights problem [duplicate]

Recently bought a Yamaha fz700 bike. Headlights don't work whatsoever, checked fuses, bulbs, and I found that wires aren't getting any power. Flipping the Hi/Lo beam switch doesn't change anything ...
2
votes
2answers
155 views

1987 Yamaha FZ700 headlights not working

I recently bought a 1987 Yamaha fz700, and the owner said the headlights didn't work, and I can't figure out what's wrong. We checked some of the wiring out, and the bulb connectors have no power ...
2
votes
1answer
539 views

Is it possible to check if the fuel filter on a Yamaha XJ600 is getting clogged?

Right after buying an used Yamaha XJ600N, I found that the rust in its fuel tank had clogged the fuel filter causing the motorcycle to lose power and until the engine died. The service station cleaned ...
2
votes
2answers
72 views

How to undo transmission nuts

I have an ~1986 Yamaha Ag 200 and I've been pulling it apart as a bit of a hobby to understand a bit more about how it works and hopefully in the end get it going. I've opened it up so some gears ...
3
votes
2answers
1k views

2013 Yamaha XT250 engine clicking/ticking noise

I just bought my xt250 as my first bike after getting my permit about a month ago. It's 2013. At 100 miles I dropped the oil and changed the filter. As a small woman I've also installed lower links to ...
6
votes
2answers
102 views

Commonly required spare parts for quad bike (e.g. Yahama Grizzly)

I run a remote field station in central Africa, and we are purchasing a quad (probably a Yahama Grizzly) to ease access. Given parts and funding are hard to get hold of, I would like to take full ...
1
vote
0answers
207 views

Yamaha FZ 16 loses smoothness too soon [closed]

I have a 2008 model Yamaha FZ. Lately, I have observed that the first week after a service, the motorbike is super smooth with good pickup. But after that it loses its smoothness and becomes dull.... ...
1
vote
1answer
186 views

''Tire air leaking sound'' [closed]

I have yamaha SZR bike. It is making weird sound lately. It is making ''tyre air leak sound'' but it is not certainly from the tire. It makes sound after 20-30 minutes interval. Im far from service ...
0
votes
1answer
523 views

2 stroke scooter won't rev under load

Just put a big bore kit on a Yamaha Jog (50cc to 70cc) and am getting ~115psi compression. It will reach full rpm on the stand but on the road it won't pass mid throttle and makes a hollow/rattling ...
3
votes
1answer
576 views

Remove battery panel on Yamaha Cygnus 125 2010

I have a Yamaha Cygnus 125 bought in 2010. I need to recharge / change the battery, but I am unable to remove the cover panel. The battery is situated in the back, under the seat. The panel got two ...
3
votes
1answer
1k views

Changing the exhaust on a motorbike

I have a Yamaha XJ6 from 2012 and I would like to change the exhaust. But I have a choice. Do I change only the muffler or the whole "line"? Other than cost what are the pros and cons of changing ...
1
vote
2answers
2k views

Yamaha Vstar 250 won't start: need to diagnose and fix possible fuel, battery, or flooded carb

My riding experience: 1 day. Already I'm an idiot. This will probably be a good laugh for most of you. I purchased a used bike, Yamaha VStar 250, <2,000 miles, <4 years old. Battery has not ...
3
votes
2answers
1k views

Going more than recommended Speed in Break-in Period

I have a new Yamaha motorbike. Seller told me not to ride speed more than 50 Kmph for first 1000KM but I rode it 60 for 10 - 15 minutes due to some reason. How does it affect to my Motorbike ?.
4
votes
1answer
131 views

Carbon Fouled Plugs '74 TX500

I'm somewhat new to wrenching my bikes and I'm loving it! :D I have a 74 Yamaha TX 500 that keeps carbon fouling her plugs :(. I've put on slightly hotter plugs (D7EA from D8EA), narrowed the jets ...