A two wheeled motor vehicle.

learn more… | top users | synonyms

4
votes
1answer
47 views

How do I pull error codes from my Kawasaki motorcycle?

I have an FI light on my Kawasaki motorcycle that is 2002 or newer. How do I get the error codes so I can troubleshoot it?
4
votes
2answers
112 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 ...
4
votes
2answers
312 views

Semi synthetic oil engine break-in

I've finished rebuilding the engine of my motorcycle (4 stroke 650cc single-cylinder). For now it runned only once varying between 1000 and 2000 RPM for 5 minutes with a couple of short bursts after ...
4
votes
2answers
75 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 ...
4
votes
3answers
107 views

Is it possible to have a vehicle with no VIN?

I've recently purchased a Kawasaki GPZ500S (AKA EX500 or Ninja 500R) circa 1998. I can't seem to find the VIN which should be embedded into the right hand side of the steering head (it's got the frame ...
4
votes
2answers
428 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
2k views

1999 gsxr 600 - What is wrong when my regulator keeps burning out?

I recently had my clutch replaced and a new battery put in. Within a month my regulator/rectifier burnt out of it. So, I purchased a new one. After 2 weeks that one burned out also. I replaced the ...
4
votes
2answers
193 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
49 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 ...
4
votes
2answers
70 views

Is there a key code with my Kawasaki

I hear that there is a key code for my 2006 Kawasaki Vulcan 900 LT that can be given to a dealer who can then cut a new key for my bike if ever necessary. Now it is. But where do I find the key code?? ...
4
votes
2answers
70 views

Engine rev in motorcycle

I somewhere read that for a good launch we should hold engine revs at peak torque, not peak horsepower. What does "hold engine revs at peak torque, not peak horsepower" means? How can I hold engine ...
4
votes
1answer
610 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
78 views

Fork tube seals Suzuki sv650

So I recently inherited a 2002 Suzuki sv650... It was garage kept for about 6 years and needs some love. I noticed that the rubber seals on top of the fork shock tubes won't stay with the tubes... ...
4
votes
1answer
486 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
1answer
3k views

Why is my motorbike's clutch slipping?

It's a BigBoy DRT-250, a cheap Chinese import, normal manual gearbox motorbike, not scooter, which probably already partially answers the question, but at 10,000km I have had no prior mechanical ...
4
votes
2answers
3k views

Motorcycle gears seem really stiff and hard to shift when cold

So I have noticed that even for a fruther 10 to 15 mins after warm up, the gear lever on my motorcycle (bought brand new - 6 months old) seems really stiff and harder to change. Could this have ...
4
votes
3answers
909 views

straight pipes and carb rejetting?

I have a 1984 Honda GL 1200 standard wing and I am going to put straight pipes on it, however some forums say I will need to upjet the carbs, and others say I will not. Has anyone on this site ever ...
4
votes
1answer
645 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
534 views

How to let off the carburetors of a 1993 Suzuki GSX-R 1100 for winter storage?

My '93 Gixxer is in the shed for winter. I had it fully tanked, the shed is (moderately) warm, and every couple of weeks I attach a trickle charger to its battery. However, I know that there is still ...
4
votes
1answer
69 views

Should I worry about buying this bike?

I'm looking at buying a 2014 Ninja 1000 with 1,400 miles on it. I asked the guy about the maintenance he's performed and he said he hasn't done anything to it so far. I know you should change the oil ...
4
votes
2answers
209 views

GSXR 1000 K5 turns off on hot days

My name is Joel from Sydney and I'm trying to diagnose a strange problem on my bike. Apologies if this is the wrong forum to be asking this question I'm new to this forum. Bike: GSXR K5 1000 Mods: ...
4
votes
1answer
265 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
4answers
12k views

Squeaking brakes on motorcycle - an issue or not?

The front disc on my motorcycle emits a low pitch squeaking noise when I'm pulling up to a complete stop (almost like the sound train brakes make when pulling up to a station). This only happens when ...
4
votes
1answer
49 views

Why does my motorcycle's brake get loose easily?

I drive a 100cc motorcycle which has drum brakes on both the wheels. I have faced this problem with the rear wheel's brake for the past two years and I adjusted it many times. About an year back, I ...
4
votes
1answer
143 views

How to improve suspension on my bike TVS Star City 110 CC 2012 Model

I ride a TVS Star City 110 CC 2012 Model bike weighing 109 Kgs. I am feeling uncomfortable with the bike suspension. When I checked with my mechanic, he said it is fine. I can feel it is jumping even ...
4
votes
1answer
86 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 ...
4
votes
1answer
263 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
2k 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
500 views

Why is this motorcycle burning oil, and how can I get it to stop?

I have a newbie question for you. I'm considering buying a 2004 Yamaha TTR600RE- a single-cylinder, air-cooled dirt-focused dual-sport bike. It's perfectly set up for adventure touring, which is what ...
3
votes
4answers
699 views

How often can I reinflate my tire

How often should I reinflate my tire. My bike has tubeless back tire and tubed front tire. Currently I am reinflating once in a week with 35psi(back) and 25 psi(front). Should I need to reinflate my ...
3
votes
2answers
2k 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
6answers
630 views

Why do they called motor bike instead of engine bike?

In Bikes, major part plays by 4 stroke petrol engine, then why did they named as motor bike or cycle instead of engine bike?
3
votes
2answers
243 views

Why is martensitic steel used instead of grey cast iron for ATV disc brakes?

Grey cast iron has better thermal properties -- conductivity and specific heat -- lower density, better castability, and better friction than martensitic stainless steel. Why are OEM parts made of ...
3
votes
2answers
459 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
244 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
2answers
3k views

Weak front brake on dirt bike

After changing the air tube in my front tire and reinstalling the wheel on my Suzuki RMZ450, I noticed that the front brake lost a lot of stopping power. What caused this and what do I need to fix to ...
3
votes
2answers
240 views

Who gets title if you sell a frame and an engine separately

I have a POS (Piece of S**t) salvage motorcycle I purchased cheap for a purpose which has now passed. I'm ready to get rid of it and there's a guy down the street that mentioned possibly wanting to ...
3
votes
3answers
68 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.
3
votes
2answers
302 views

What is choppy throttle response and bad fuel mapping and can it be fixed?

I'm looking to purchase a motorcycle and according to it's wikipedia article it has two major flaws: Being the company's first fuel-injected 600cc sportbike, the initial 2000 model had choppy ...
3
votes
3answers
290 views

What are the critical maintenance items for a new motorcycle?

I have purchased a new motor bike recently. What are the critical maintenance items that I should focus on? For example: Is it true that we should not run new bikes on high rpm for some time? What ...
3
votes
1answer
13k views

What are the differences between a wet motorcycle clutch and a dry motorcycle clutch?

What are the differences between a wet motorcycle clutch and a dry motorcycle clutch? More specifically, what are the differences in applications performance reliability maintenance/repair
3
votes
1answer
840 views

How to determine what carburetors will be compatible with a motorcycle?

What are the parameters to determine whether or not motorcycle carbs are compatible with a certain engine? Is it just the size? For example, I have a 1978 Suzuki GS1000 with Mikuni carbs, and it's ...
3
votes
1answer
191 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
311 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
139 views

Big motorcycles at stop lights; why do they keep blipping the throttle?

We've all been near a big Harley at a stop light, where the rider keeps blipping the throttle. I've always wondered why they do this. Is it because those big pistons don't idle very well, and if you ...
3
votes
2answers
182 views

Why does my front wheel rotor is heating up more than rear one?

I had been facing high fuel consumption lately. To my surprise I discovered that my front wheel free rotation seems bit restrictive to my rear one even when rear wheel drags chain and two sprockets ...
3
votes
2answers
990 views

“tick-tick” sound in Enfield Clasic Motorcycle

BIKE ENFIELD CLASSIC 350 2013 Model ODOMETER: 14000 One and half year old Oil changed one and half month before general servicing. There is a particular sound from the engine while riding ...
3
votes
1answer
1k views

My motorcycle won't start at all why?

Something is draining my battery and my bike won't start. If it's the relays which one is it? My motorcycle doesn't crank at all. it makes a buzzy noise when I press the start button. It sounds like ...
3
votes
3answers
617 views

Derbi Senda 50cc - Low Compression, will not run properly

I have a Derbi Senda SM 50 2005 plate. It has a good spark, however, it's not reading any compression. It's had a new top end and gaskets! What could be wrong? Sometimes it starts when you bump ...
3
votes
1answer
120 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.