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4
votes
3answers
38k views

Symptoms of Lean or Rich carb settings on a motorcycle

I have a 1981 Yamaha XS650. I recently put in K&N stock replacement filter (ie, they are in the airbox and conform to the size of the original), however they may be leading to a leaner mixture ...
4
votes
1answer
1k views

How to remove rust from chromed parts?

My motorcycle (Suzuki GN250) has many chromed parts, some of which are spotted with rust. I've seen several videos on youtube about ways of removing rust (e.g. ...
4
votes
1answer
948 views

Can't remove stuck rear dirt bike axle

I'm trying to remove the rear wheel on my 2007 Suzuki RMZ450. I've removed the axle bolt and tried banging the axle with a rubber mallet for about two weeks now. IT WON'T BUDGE. Not even a little bit. ...
4
votes
3answers
2k views

Motorcycle Leaking Fuel (1999 CBR600 F4)

Just fired up my motorcycle after 3 years in storage. Changed the oil and replaced the fuel in the tank. It starts easily. It is leaking fuel from somewhere under the gas tank. The engine has a ...
4
votes
1answer
567 views

Motorcycle chewing through too many front tyres

Hey, I have a Y2K Triumph Speed Triple that has an excessive appetite for front tyres. It eats two front tyres for each rear tyre. This is reverse what it should be. I run the tyres at about 38 PSI ...
4
votes
2answers
66 views

How to clean engine when oil is contaminated with metal shards?

During a recent oil change Istripped the oil pan bolt. It took a bit of trial and error for me to realize the stripped hole was a 14mm 1.25 thread so I got a tap and rethread it to 14mm 1.5 thread ...
4
votes
1answer
47 views

How to find the cause of sudden high fuel consumption of a motorbike?

About my bike Model: Honda CBR 250R Total Run: 35000kms Total Time: 2 years 3 months Clutch Plate changed at 30k kms after an accident Engine oil, engine oil filter and air filter changed in ...
4
votes
1answer
40 views

Alternative location for motorcycle ignition coils?

I recently replaced the ignition coils on my 81 Suzuki 450. The aftermarket coils are just large enough that the tank won't seat right, even after adjusting the bracket. Would there be any issue in ...
4
votes
2answers
325 views

Royal Enfield Classic 350 - Motor Break-in Best Practice

How many km's should be driven with a lower speed to setup the bore for a Royal Enfield Classic 350, what is the minimum speed for that duration and how many km's should we maintain that lower speed?
4
votes
2answers
257 views

What does “the bike dyno'd at 125BHP at the rear wheel” mean?

I'm in the process of buying an ebay bike (http://www.ebay.co.uk/itm/121337863485) which I won for maybe 60 - 75 % of its expected value. In the description the owner states that the bike dyno'd ...
4
votes
2answers
222 views

Does increasing headlight wattage affects motorcycle mileage

I ride Honda CD-100 SS, a 100cc motorcycle. Does increasing the wattage of the headlight bulb affect the mileage(fuel efficiency) of the motorcycle? If it does please explain how.
4
votes
2answers
1k views

Ducati Monster M600 - Engine Vibration/Cold Cylinder

I have a 1995 Ducati Monster M600. Recently I noticed an engine vibration and whilst trying to figure it out I noticed that the horizontal cylinder exhaust is hot (hot enough to burn leather gloves) ...
4
votes
1answer
105 views

Scooter break-in period - Actual scientific backing or urban legend?

I don't understand the break-in periods needed for scooters/motorcycles. I know everyone says it, but I haven't found any explanation with some scientific backing to not making it an urban legend. ...
4
votes
1answer
275 views

I dropped my bike and now it won't start

I have a Suzuki GSX 600F Katana. Yesterday, I changed the clutch lever on the handlebar and left the key on. I had to push start my bike. After getting it started, I left it in first gear, and let go ...
4
votes
1answer
332 views

how to charge a dead motorcycle battery?

I have a 1983 Honda Nighthawk but the battery has died. I also have a trickle charger that you see in this photo but I'm not quite sure what amp and voltage settings I need to use for a motorcycle ...
4
votes
2answers
659 views

What's the proper method of replacing the crank shaft oil seal of a Honda Rebel?

I've been searching for a guide, but haven't found anything the deals with the oil seals specifically. My '09 Honda Rebel is leaking oil into the flywheel cover, and I suspect the flywheel and crank ...
4
votes
1answer
563 views

What are good techniques for cleaning metal filings out of a crank case?

My Honda Rebel managed to beat one of the pistons into a billion pieces and bend the offending piston rod. I've identified all the damaged parts and ordered replacements, or had them repaired ( ...
4
votes
1answer
244 views

Motorcycles: Way to maintain shiny chrome on exhaust outlets?

I have a motorcycle that has chromed exhaust pipes. I am worried that there will eventually be discolouration where the pipes join the engine, due to the heat. Is there a way to treat the pipes so ...
4
votes
1answer
69 views

Yamaha FZS Ver- 2.0 Engine Seizure

I gave my bike (Yamaha FZS ver 2.0) to an authorized service center for it's first-time service. The mechanic didn't fit the drainbolt (which is under the engine) properly causing the engine oil to ...
4
votes
1answer
240 views

What is this part and how do I remove it?

I am trying to replace my motorbike clutch friction plates, but cannot remove the basket around the plates ( I think that's what people mean when the say 'basket' - the cover over the plates that ...
4
votes
1answer
1k views

Kawasaki ZZR600 - Engine idles ok. Choke ok. Cuts out when open throttle. Possible causes?

I have a 20 year old Kawasaki ZZR600. She was running fine in December. I didn't ride her for a few weeks in January. Left the battery on maintenance trickle charge. A few weeks or so ago I fired her ...
4
votes
1answer
788 views

Fuel leaking out of drain tube

I just purchased a 1985 Suzuki gs300l. When I put gas in the tank it immediately started pouring out the drain tube that is connected to the air box. What is wrong and how can I fix it?
4
votes
0answers
40 views

2007 Hyosung GT250R not starting, some repairs have been made

Hoping to find some good advice on fixing my (above mentioned) motorcycle. I'll try to keep it brief but with as much details as I can. I had an issue with the bike and it sucked up some varnish from ...
4
votes
0answers
45 views

Honda XR650l first ride after winterization

Before winter I had the oil changed, filled the gas tank and added the recommended amount of Sta-bil fuel stabilizer. Then rode around for about ten minutes then switched the petcock to off and ran ...
3
votes
2answers
1k views

is motorcycle chain lubrication absolutely necessary?

Lubricating your chain is certainly one of the easiest maintainance tasks for a motorcycle owner, however I frequently wonder how necessary it really is. Are there any negative effects which can come ...
3
votes
2answers
205 views

How can I add tension to a motorcycle chain?

I have 2008 Yamaha Scorpio 225, and the chain is looking a bit loose. I've had a good look around, and I really can't find a way to tighten it. Does anyone have any idea where to look? Is there a ...
3
votes
4answers
827 views

Trying to start a Honda CBR250RR after winter (Also feeling a lot of friction when in neutral)

I have 1991 Honda CBR250RR that has been left sitting for the past few months. Unfortunately I didn't take the proper steps for winter storage before I stopped using it. Tried starting it up a few ...
3
votes
2answers
4k views

Motorcycle popping on acceleration

I have a 1975 Honda XL250 that I bought earlier this summer. Up until recently its been running great. It was leaking a little gas, but nothing too serious. When it started to get worse, I opened up ...
3
votes
2answers
360 views

Repairing a motorcycle tire puncture. With heat or without heat?

Asked a local mechanic for the charge of repairing a puncture and he says he'd charge a certain amount for simply taking a piece of rubber tube and sticking it over the puncture, or if I would pay him ...
3
votes
2answers
11k views

How do I know if motorcycle chain & sprocket need replacement?

I'm aware of how important they are, but have been coming up empty in my searches to determine if they're worn to the point of needing replacement. The service manual just says to inspect and replace ...
3
votes
1answer
363 views

How many kms is too many for a 400cc bike

I am looking at getting a Ducati Monster that is 400cc and 1996 but has done around 42,000kms. How many kms is to many before you will start to run into problems
3
votes
1answer
686 views

What should I look for in a basic motorcycle maintenance toolkit?

I'm looking to do more of my motorcycle maintenance myself, and am wondering what I should be investing in, when it comes to tools/devices. What are the basic tools that I'd need when starting to do ...
3
votes
2answers
262 views

Bent front fork on a bike

There's a previously owned 2009 YAMAHA FZ16-S that I'm thinking of picking up. It has a slightly twisted and bent fork (plausibly caused by an accident). It's only apparent when you ride it for a bit. ...
3
votes
2answers
396 views

Single Cylinder 2 stroke bike with twin exhaust, will it need two chambered exhausts?

I am asking specifically about Yezdi (not in production anymore) 250/350cc motorcycles. Yezdi RoadKing was a 250cc single cylinder two stroke with twin exhaust. If upgrading to a calculated chambered ...
3
votes
1answer
266 views

Two-stroke dirt bike piston running into spark plug

Recently, I submitted a post on here regarding a broken ground electrode on the spark plug of my 2005 Suzuki RM125: Bottom piece of spark plug broke off in motorcycle engine Well, I found out what ...
3
votes
2answers
854 views

High altitude adjusment for carb 4stroke. (honda xr650l)

Hi I am having some problems with my honda xr650l (1995). During acceleration I experience a sort of stuttering loss in power. Almost the same feeling as runnning out of gas in the main tank. but the ...
3
votes
1answer
182 views

Wet battery durability based on how we start a motorbike engine

I have a motorbike with a wet battery. I use its electric starter to start the engine. Is there any research done by others before to prove which one of the following makes the durability of the wet ...
3
votes
2answers
250 views

breaking in (running in) a very small engine

I just bought a new 110 cc Honda motorcycle. It's waay underpowered, so I spend a lot of time at wide open throttle. Being brand new, this seems likely to cause damage. The manual recommends not to ...
3
votes
1answer
120 views

Honda CBR 250 won't start after heavy rains, puttering noise

There has been heavy rain and yesterday I couldn't start my bike. The main and other fuses are not blown. I ride it regularly. Turning the bike on: https://vid.me/pYNw. The high-pitch noise is not ...
3
votes
1answer
97 views

Should a clutch be immersed in oil prior to installation?

I heard somewhere that I should soak new friction plates in oil for at least two hours prior to installation. Is this true? And if so, then why? P.S. I'm talking about a motorcycle's wet clutch.
3
votes
2answers
632 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 ?.
3
votes
2answers
580 views

Motorcycle mud-guard hit and broken; any chance of repair, or is this something best addressed with replacement parts?

The front mudguard, built out of what seems to be flexible plastic material, recently cracked and needs to be either repaired or replaced. A friend of mine works at a car body-shop, and offered to ...
3
votes
1answer
85 views

Engine on BMW G650GS 2011 does not start when it's hot

I have a rather strange problem with my BMW G650GS. In the morning, when the engine is cold, it starts fine with a single crank. There is no problem with riding, the engine works fine and never ...
3
votes
1answer
216 views

Bottom piece of spark plug broke off in motorcycle engine

I was riding my 2005 RM125 dirt bike the other day when it bogged down all of a sudden. I noticed the spark plug had backed out of the head, thus causing the stall. I pulled the spark plug all the way ...
3
votes
2answers
55 views

Forgot to use stabilizer with motorcycle

I forgot to fill my motorcycle tank with stabilizer and now it is way to cold to ride. Should I still put the stabilizer in it? I read the instructions and it is not recommended to use it if the ...
3
votes
1answer
75 views

Downsides to using an adapter allowing me to use car oil filter on motorcycle?

I saw this video recently on adding an aftermarket oil filter adapter to my motorcycle. Are there any downsides to using this type of product? Should I have a concern about using a car oil filter on ...
3
votes
1answer
363 views

Head Lamp on Honda Shine

I'm planning to change/modify the Headlight bulb. kindly suggest. My bike (Honda Shine) has 12V 3AH(MF) Battery & Head Lamp 12V 35W/35W halogen bulb. In rainy season & city Bye-pass roads the ...
3
votes
2answers
101 views

GSX-R front suspension technology timeline

I have noticed that people frequently choose the GSX-R front end for a front end conversion on old bikes to improve handling and comfort. The GSX-R was produced from 1985 through the present, and I'm ...
3
votes
1answer
641 views

How important are swing arm bushing pivot collars ? [ Honda CB400T Motorcycle ]

I've got a project motorcycle which is a bit of a frankenstein. It came to me with a Honda 400T engine but the compliance plate says it's a 1982 CB-250T, looking over the frame though the swing arm at ...
3
votes
1answer
204 views

1980 Suzuki GS 850 trouble at high rpms

I have a 1980 Suzuki GS 850 and I am having a problem where the rpms spike when I really get on the throttle. If I slowly accelerate there is no problem, everything runs smoothly. When I'm on the ...