A two wheeled motor vehicle.

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2
votes
1answer
219 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
60 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 ...
13
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 ...
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 ...
4
votes
1answer
451 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
394 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
319 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
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
1answer
1k 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. ...
1
vote
2answers
244 views

How can I check if my motorcycle's suspension is working correctly?

How can I check if all of my motorcycle's suspension parts are working correctly, and carrying an even load?
6
votes
2answers
839 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 ...
1
vote
0answers
202 views

1982 Yamaha Virago 750 [closed]

I am considering buying a 1982 Yamaha Virago 750 that I found on craigslist. I have read online that many of these bikes have starter problems and I am just curious as to how hard it is to fix or ...
2
votes
1answer
365 views

Squeal (vacuum leak?) and high idle after rebuilding carbs on '82 Yamaha XJ 750 Maxim

I've got an '82 Yamaha XJ 750 Maxim. I rebuilt the carburetors this weekend, and after putting it back together, it seems like it's got a vacuum leak. There's a loud squeal every time a cylinder ...
1
vote
4answers
1k 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 ...
1
vote
1answer
184 views

What is the bank sensor attached to on a Honda CBR1000RR 2012?

I am repairing a bike which had its front totally taken out. The instruments panel and headlights are gone. One of the first things I'd like to do is install a new bank sensor. I purchased the bank ...
3
votes
1answer
117 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 ...
5
votes
2answers
848 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 ...
1
vote
1answer
147 views

identify suspension leak on motorcycle

Especially after a good cleansing when there is no visual signs of a spil, I found it hard to detect problems with oil leaks/levels. Usually I can feel low levels in a rear mono suspension when ...
2
votes
1answer
470 views

Motorcycle: Irregular brake bite (front single disk)

My motorcycle's front brake is giving a irregular bite. I don't know how to express it in words please check the illustration below. --------$^^^^^^^^-^-^-^-^-^^--^^^---^^^^^^----^^^| ~60Kmph ...
3
votes
2answers
808 views

Looking for Tyres for Pulsar 150 bike with 180cc engine

I have a pulsar 150 bike modified with 180cc engine. I am looking for tyres(both from and rear). The tyre should have have good cornering capability and a very good grip. Till now I have. I looked at ...
2
votes
1answer
420 views

What do I need to put rear shocks on my 1982 Yamaha Maxim XJ 750?

I bought the bike and didn't notice the previous owner had taken the rear shocks off (worst oversight I ever made, kicking myself now). I want to put some shocks on it, but I'm not really sure what I ...
5
votes
2answers
183 views

Suzuku Katana does not start after an accident

I have a Suzuki Katana GSX600F. So, after an accident I was in, I rode the bike home and all was fine except a little cosmetic damage, then in a rainstorm it tipped over and after picking it up and ...
3
votes
1answer
53 views

Buying a 1981 Kawasaki 440 D questions

There is a 1981 Kawasaki 440 D that is belt driven on Craigslist for $850 and I just have a few questions on about it being a belt drive. Is a belt drive ok to have? Is it worse than chain drive? And ...
1
vote
0answers
82 views

1995 gsx 750 won't start [closed]

I bought a katana 750 from a guy that had it sitting for a while. He said he rode the bike and it started but won't cut off, then the bike stopped firing and dosen't try to turn on - the lights come ...
5
votes
3answers
1k views

Larger cylinder volume, but less power, how?

KTM Duke 200 which has an engine of 200 cc, and, on the other hand, Royal Enfield Bullet 350 with a 345 cc engine. I.e. Enfield has 150 cc more than the Duke. But KTM produces 25 BHP of power, whereas ...
4
votes
4answers
3k views

How to add hybrid technology to a 4-stroke engine motorcycle?

I am enthusiast of automobile, and especially of motorcycles. I don’t know much about engines practically, but I read a lot. I was reading an article at How Stuff Works about the hybrid technology ...
1
vote
1answer
762 views

How do you adjust the idle on a 1981 Suzuki GS 650 GL?

I'm asking this for a friend, so if you need more details, I'll have to ask him. He brought his bike with him when he moved, and with the elevation change, the idle isn't high enough. How can he ...
3
votes
1answer
766 views

What can cause gas to blow back into air filter in a motorcycle

I have a 1987 kawasaki ninja. I've had it for two years and it ran good until this year. When I started it this week, gas started to flow back into air filter box. Has anyone ever encountered this? ...
5
votes
1answer
257 views

Motorcycle: Fuel Injection light comes on after 5 mins of riding

I've bought a brand new bike and have had it for about 2 months. Later this week I noticed that after about 5 mins of riding the Fuel Injection light comes back on. I stop the bike, turn the ignition ...
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 ...
12
votes
5answers
55k views

What does the 'cc' mean on a motorcycle?

I'm relatively new to motorcycles, my flat mate taught me how to drive his two Royal Enfields around New Delhi, and for the past year and a half I've been taking care of them as they break down ;) ...
3
votes
1answer
2k views

Motorcycle Front Forks: Fork tube stuck in bottom pipe - clunking sound when trying to remove

I'm rebuilding the forks on my CB400 project bike [ turning into a street tracker ;) ] The process from the manual is pretty straight forward: 1) Remove the front fork bolts and drain oil 2) With ...
0
votes
2answers
3k views

Exhaust Flame Kit

I have been searching over the past week or so trying to educate myself as much as possible before going ahead and trying to build an exhaust flame kit from scratch (the ones on sale on the internet ...
2
votes
2answers
5k views

Should I grease an axle when I replace it on my motorcycle

I have a taken the front wheel out of my motorcycle to replace the tyre. When I put the axle back in is it a good idea to grease it? If so what type of grease should I use?
6
votes
2answers
128 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 ...
5
votes
3answers
454 views

What do these compression figures mean

This is a follow up question to What are the causes of fluctuating intake manifold vacuum I have a 2005 Honda CBR600 F4i which suffers from occasional hesitation at low rpm when accelerating. After ...
3
votes
1answer
223 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 ...
6
votes
1answer
742 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 ...
9
votes
3answers
1k views

What are the causes of fluctuating intake manifold vacuum

I have a 2005 Honda CBR600 F4i which suffers from occasional hesitation at low rpm when accelerating. I also get occasional fault codes from the ECU indicating a vacuum leak. Today I connected a ...
6
votes
3answers
1k views

Motorcycle with EFI not starting well

I have a 2012 Kawasaki W800. On cold mornings it is difficult to start - it turns over quite a few times before it catches. This is compared to my old carburettor bike which started instantly with the ...
0
votes
1answer
717 views

Is it harmful to use Shell Super Petrol for my Honda Activa?

I live in India. I ride a 2 wheeler named Honda Activa. Here are the specifications : http://www.honda2wheelersindia.com/activa/specifications.html I use Shell Super Petrol. Here are the details : ...
6
votes
2answers
5k views

Carburetted motorcycle stalls when accelerator is applied

My father has 1995 Kawasaki VN 800 Vulcan with low kilometrage (18 000, 11 000 miles). We had installed new Vance & Hines pipes on it (in hindsight, way, way too loud, but that’s beside the point, ...
6
votes
2answers
2k views

Why won't my Honda Rebel shift when idling?

I recently ( and successfully ) rebuilt the engine of my '09 Honda Rebel; she's running well but doesn't want to change gears when idling. If I'm moving she shifts gears without any hanging, ...
2
votes
1answer
221 views

Motorcycle: Way to stop plastics fading?

I have a 13yo motorcycle that has a black plastic instrument panel. Although it is not regularly exposed to the sun the black plastic is fading to a chalky white. I was wondering if anyone knew of a ...
-3
votes
1answer
468 views

What are the pros and cons of using big tires in front on a bike? [closed]

I need to know more about the pros and cons of using different size tires in front and back. My bike has a lower curb weight, so every time its back tire skids.
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 ...
6
votes
3answers
6k views

Motorcycle: Puncture in tubeless tire. OK to plug yourself?

I got a nail in my tire the other day. Its wedged in the tire so tightly that the tire isnt actually losing pressure. A friend told me I could fix it myself by using a kind of volcanised rubber glue ...
5
votes
2answers
192 views

Solution against motorcycle gasoline theft?

During these last few weeks, somebody has been stealing gas from my motorcycle. It's a Honda Vt 125 Shadow, and since all the wires and hoses are apparent, it's pretty easy to unplug the hose and ...