A self propelled two wheeled motor vehicle with an engine larger than 50cc's.

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7
votes
2answers
252 views

How to inexpensively replace missing baffles on a classic bike

Dilemma I have a 1980 Suzuki GS550L. Not only did one of the previous owners completely remove the baffles from the exhaust pipes, but they welded fender washers on the end of the pipes, so the OEM ...
4
votes
2answers
2k views

Motorcycle heats up within minutes of driving in the traffic

Ice cold engine of my KTM Duke 200 heats up and shoots the highest temperature and the gauge reaches the extreme within like 15-30 minutes of driving it in traffic. And the engine stops and doesn't ...
2
votes
1answer
642 views

How can I fix a slow indicator on a Honda Hornet?

My Honda Hornet 250 right-hand indicator often takes up to 5 seconds to start flashing, especially when it's cold. The left seems to be fine. When I flick the switch I can hear the bimetallic strip ...
2
votes
3answers
1k views

Should my motorcycle wheels be two different size diameters?

I've heard that a larger wheel (diameter) in the front can produce quicker turns on a motorcycle. How much larger should a front wheel be than a rear wheel on a road bike (if at all)? Will this affect ...
3
votes
1answer
1k 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 ...
2
votes
1answer
425 views

Pulsar 150 drifts right side

3 years old, 25000km done. The main problem is that the bike pulls or drifts towards the right side. I took it to the original service centre where they said the front fork bent and they overhauled it ...
4
votes
1answer
651 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
278 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
2answers
561 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
4answers
11k views

Does the brake pedal always feel soft after the pads are changed?

About my bike Model: Honda CBR 250R Total Run: 17500kms Total Time: 1 year 1 month (rotor & break fluid never changed, break pad changed 6 months back) Break Fluid Level: 3mm above lower line ...
4
votes
1answer
4k 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 ...
3
votes
5answers
611 views

How do I fix my XF125GY 4-stroke engine misfires?

I own a XF125GY Supermoto Pioneer 4-stroke single cylinder. I put too much oil in it so I did an oil change and put in a new spark plug then I noticed that oil had got into my air filter and that the ...
3
votes
1answer
196 views

Motorcycle Maintenance Tasks - Please Provide a List of Actions

It's a BigBoy DRT-250, but I doubt that will be known outside of SA. I had it serviced at 500km, then 3000km, and 6000km, according to warranty. Then it was highlighted to me that the warranty ...
2
votes
1answer
359 views

Comparison between spark plugs

Is there an Autolite spark plug available that compares to a Champion J12Y spark plug? I would like to go with an Autolite plug if there is one available which will work. What type of plug would you ...
0
votes
1answer
543 views

How much Octane Fuel does Honda CBR 250R (India Version) needs? 91 or 93?

Honda CBR250R STD 2013 Model's manual state that fuel(petrol) used should be 91 or more. Seems like they have defined the minimum threshold of RON than stating the optimum RON for the given bike. ...
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 ...
2
votes
4answers
739 views

New batteries with acid at 80% charge— if I run then tend, will it bring it up to 100%?

I have read that, when you add electrolyte and acid to a new battery, it will then be at 80% of max charge. You can put the battery in your bike and it will turn. However, it's highly recommend to ...
10
votes
2answers
155 views

Unknown part fell out of my motorcycle

So I was taking the battery out of my bike (99 Honda Shadow 750 ACE) to ship it this past December, when two parts of the bike I'd never seen fell out from somewhere near the battery case. They sort ...
9
votes
2answers
731 views

Motorcycle stood for over 12 months, turn over by hand first?

My 2006 GSXR 750 has been stood for over 12 months, I have drained the tank, and oil, and I'll do the coolant after I get it started, and give it another oil change. Is it worth me removing the plugs ...
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 ...
5
votes
3answers
21k views

1994 Suzuki GSX600FR Katana - 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 ...
2
votes
1answer
499 views

Kawasaki ZZR600 Model D3 - where is the fuel filter?

I've been looking for the location of the fuel filter. At first I thought it might not have one, and only the Model E ZZR's have one, because there seems to be no explicit mention of it or diagram in ...
2
votes
0answers
215 views

2008 Honda Rebel 250 idle problem [closed]

I have a Honda Rebel and it's been running great for the last year. It does have about 8000 miles on it but I haven't had any serious issues. Lately, I noticed the idle was higher than normal. It ...
6
votes
2answers
2k views

2 week old disk brake pads rubbing on rotor. Is this OK? (motorcycle)

I got the pads on the front brake of my bike replaced 2 weeks ago. Immediately I heard a rubbing noise at low speed. I thought this would be ok - that the pads just had to be worn in or something, but ...
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 ...
6
votes
2answers
211 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 ...
4
votes
2answers
1k views

Why don't motorbikes have chain covers?

I notice that except for small commuter bikes and older bikes (before the 80s), hardly any of the larger and/or sportier bikes have covers to protect their chains: . They seem quite practical, and ...
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 ?.
3
votes
1answer
104 views

Motorcycle tire shopping confusion

I'm having a hard time choosing a tire for my bike ('11 Yamaha FZ8n). The main source of my confusion are very similar markings on a multitude of tires that don't make a lot of sense to me. I was ...
2
votes
1answer
151 views

What is the right way to attach the Micarb to the engine head of my Enfield Bullet 500?

Before an upgrade to a new Hitchcock conical air filter, the carburetor was held in place by both the original (massive) air filter and the rubber manifold attached to the engine head, and it was ...
4
votes
3answers
5k views

How to remove all the fluid out of my motorcycle fuel tank?

I will be cleaning out my motorcycle tank using electrolysis. First, I have to remove all the gas from the tank, and then do the cleaning and then remove all the water that's left over, but I have a ...
3
votes
1answer
484 views

Ducati ST4s not starting

I ride a 2002 ST4s that was bought new in 2008 and has now travelled 8800km. I have fitted a power commander and carbon mufflers and done some minor alterations to the air box. Spent some time setting ...
10
votes
3answers
749 views

Change in exhaust note after extreme backfires--what did I break?

I had quite a morning with my 1986 BMW K75 this weekend. The plan was to ride the bike to a friends house to store it for the winter. The weather was pretty cold on this particular morning, perhaps ...
5
votes
3answers
523 views

Motorcycle gear changes alternate between stiff and normal

I have a 6 month old Kawasaki W800 I bought new. Sometimes when I ride gear changes seem stiff and clunky. Other times they seem smooth and normal. Would anyone know what could be causing this? ...
1
vote
5answers
7k views

Replacing regular twin shocks with nitrox for my bike

I have a bike with regular Twin shock absorbers (Spring and damper). I am planning to change this to Gas charged shock absorbers. Since I used to ride my friend's Bajaj Pulsar 150, and it feels more ...
3
votes
1answer
278 views

Slight dent in motorcycle oil filter: bad for flow?

I replaced my motorcycles oil filter the other day and accidentally dented the outside casing of the new one putting it on. I know its probably nothing, but would this impact the flow of oil through ...
5
votes
1answer
1k views

Suzuki GSR600 low idle revs and unstable

Just a week ago I noticed in my motorbike unstable rpm, +-300rpm. But today I found that the idle rpm are below 1000rpm, at some points around 500rpm (Normally is 1500rpm). I'm due for the annual ...
7
votes
3answers
1k views

Is it okay to run aviation fuel (100 low-lead) in a dirt bike?

I'm wondering if it will be okay to run 100 octane low-lead aviation fuel in my 2007 RM250 motocross bike (two-stroke). Half of the people I've asked say yes, while the other half say no. Will it be ...
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
0answers
176 views

2003 Suzuki Katana 600 shuts off after running for 10–20 seconds [closed]

My 2003 Suzuki Katana GSX600F shuts off after ten to twenty seconds after start. It doesn't spit and sputter, it just shuts down. I have loosened the bowl screws while it's running and confirmed that ...
2
votes
1answer
239 views

Swapping the carbs on my ducati m600

The mixer screws are totally seized on the carbs of my 1994 ducati m600, I have found a good set of carbs from a 1997 m600 but will they fit my bike?
2
votes
0answers
67 views

2009 Honda VTR250 motocycle losing power [closed]

My 2009 Honda VTR250 is loosing power during long rides. The throttle at this time does not pick and it slowly stalls. I tried replacing the plugs but still has not worked. It only solves the problem ...
15
votes
1answer
3k views

What is happening when a two-stroke engine is said to be “four-stroking”?

Many years ago, I was involved in a hobby of building and flying model aircraft. The aircraft used alcohol-fueled 2-stroke engines with glow plug ignitions. When these engines ran rich (and always at ...
5
votes
3answers
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 ...
4
votes
1answer
500 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
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 ...
0
votes
1answer
443 views

Motor cycle maintenance tutorials [closed]

I am searching for a tutorial about motor cycle maintenace. I tried in google search but not much of use: I get only blogs and website which give basic advice that - "go and consult a good mechanic". ...
2
votes
1answer
349 views

Dirt bike silencer core cracked/rusted

After removing and disassembling my FMF Factory 4.1 dirt bike silencer, I saw that the inner core was cracked and extremely rusty (having the potential for more cracks). I definitely want to fix this ...
3
votes
1answer
1k views

How do I clean/grease my dirt bike steering bearings?

My dirt bike's steering has become increasing harder to steer. Other dirt bikes I've ridden have much smoother, almost effortless, steering. How can I have that same smooth steering? What parts do I ...
4
votes
2answers
5k 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 ...