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2
votes
3answers
557 views

Honda Unicorn missing during rain and cold weather

I have a 2009 model Honda unicorn motorcycle. It's very difficult to ride during rain or cold weather, because of missing. I asked service center but they did not do anything. I have changed the CDI, ...
1
vote
1answer
383 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 ...
2
votes
1answer
336 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? ...
2
votes
0answers
110 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 ...
1
vote
2answers
1k 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 ...
1
vote
1answer
929 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 ...
5
votes
2answers
870 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
2answers
2k 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?
4
votes
3answers
2k views

Can a motorcycle's brake lever be bent back into shape?

I recently had a low speed spill on my bike leaving the brake lever rather bent. Can I bend it back (roughly) straight or it is likely to just break? Given that it is cast aluminium, I suspect is will ...
2
votes
2answers
162 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 ...
5
votes
2answers
404 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 ...
4
votes
1answer
279 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?
3
votes
1answer
142 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 ...
2
votes
0answers
363 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 ...
1
vote
2answers
463 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 ...
-3
votes
1answer
271 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.
1
vote
1answer
2k 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, ...
2
votes
1answer
137 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 ...
4
votes
1answer
199 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
3answers
2k 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 ...
1
vote
1answer
375 views

Motorcycle: increasing choke kills engine

My bike struggles to idle on cold mornings. No issue there: I just open the choke till it warms. However, I must do this ever so slowly and delicately otherwise the engine cuts out. I find this odd as ...
1
vote
2answers
1k views

Motorcycle engine running a bit hot?

For the past few rides, I think my 2007 Ninja 250 has been running hotter than before. At least, I think it feels hotter through the seat, but the oil temperature gauge seems to be pointing pretty ...
3
votes
2answers
253 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 ...
4
votes
1answer
113 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 ...
2
votes
1answer
560 views

How reliable is a Honda GB400 (motorcycle) grey import?

I am considering getting a 1985 Honda GB400TT bike as I simply love the look of them and they seem to be selling at a good price. I understand these are grey imports (imported 2nd hand from Japan) ...
3
votes
1answer
163 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 ...
0
votes
0answers
153 views

Moped bike motor problem carburetor

I have tried many technicians but none have solved my problem. I had problems in the past past, but one day my bike started to make a noise while opening the throttle when cold after about 50km/h ...
5
votes
2answers
975 views

How might I fix a dent in a Honda Rebel fuel tank?

In a silly move during an engine overhaul, I dropped my Honda Rebel's fuel tank and put a dent in the top side. Is it possible to pull this dent out? I've heard there is a method using heat and ice ...
0
votes
1answer
171 views

Would a Triumph Thruxton be suitable for everyday use? [closed]

I really love the look and design of the Thruxton and am considering getting one. I use my current motorbike every day, from getting to work and back, to shopping, to long trips. Its a bullet proof ...
4
votes
2answers
223 views

How do I handle scarring on a cylinder head?

A few weeks ago, my Rebel 250 blew a piston, allowing the piston rod to beat on the top of the cylinder and the valves. There's some scarring there now, as well as a jagged protrusion or two. What ...
4
votes
1answer
323 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 ( ...
0
votes
1answer
4k views

motorcycle headlight with single SPDT relay

I have bike with 35 watt HS1 bulb and I want to upgrade brightness of headlight so I decided to put H4 60/65 watt xenon bulb. An expert on this forum suggested me to use relays as the new bulb ...
8
votes
4answers
1k views

Gasoline is dripping out of a rubber tube outputting on the bottom of my motorcycle - is this normal, or is it a problem?

What bike? A BMW 650, 1996 model. What's the problem? I noticed a slow, but steady, drip of gasoline from one of two rubber tubes that output to the bottom of the bike. I think the other rubber ...
1
vote
3answers
4k views

Which relay to use for bike headlight

I have Bajaj Pulsar 180 UG4, it has a 35 watt HS1 Helonix headlamp bulb. I want to upgrade the stock headlight to make it brighter, so I found H4 Xenon bulb 60/65 watt. I asked this question question ...
3
votes
2answers
142 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 ...
1
vote
1answer
2k views

Alternative to Bajaj Pulsar 180 UG4 stock headlamp

I am from India and I own a Bajaj Pulsar 180 UG4 2012 motorcycle. I travel on the highway while coming back home from the office at night. I am not satisfied with the brightness of my stock head lamp, ...
1
vote
3answers
6k views

Start Motorcycle Garaged for Over a Year

What do I need to do to get my motorcycle running again after I've left it in my garage for over a year?
4
votes
1answer
125 views

Mileage problem in motor cycle

I am using Honda CD 100 ss 100 cc two wheeler. If I increase the head light bulb watts little bit, will the mileage per liter of fuel reduce? and if so, any relationship?
2
votes
3answers
937 views

Motorcycle: Honda VTR 250 difficulty starting

I have a 2000 model Honda VTR 250. Up until now the bike has been super reliable. However, recently it has been struggling to start in the morning. The engine turns over many times before catching and ...
2
votes
2answers
619 views

Motorcycle 125cc question about PISTON condition and battery

Last year I bought a 125cc bike Modenas brand, most likely unknown to you. It is a moped. http://www.modenas.com.my/v2motorcycle.asp?id=70 It can go as fast as 110 km/h enough for the city and not ...
6
votes
1answer
314 views

Play in motorcycle chain - how much is ok?

Riding to day I could hear a rhythmic tapping sound. I occurs when I ease off the throttle. I think it is the chain tapping against the plastic chain guard when tension on the chain from accelerating ...
2
votes
2answers
234 views

Removing a nail from my tyre

I have a 2" nail in the side of my rear tyre on my motorcycle. The nail is fairly firmly stuck in the tyre but I'm not sure if it has actually penetrated it (it has gone in sideways). The damage is ...
2
votes
1answer
49 views

Four-body carbs regulation.

I would like to adjust four-body carbs by myself, in order to avoid spent money every time. What are the basic rules, tools and secrets of many body carbs regulation?
1
vote
1answer
247 views

Motorcycle battery - correct voltage running and stopped?

Hopefully a pretty straight forward one: I've been having trouble starting my bike. I checked the voltage on the battery when it was idling and got 12.9. Is this too low?
0
votes
3answers
97 views

Vintage motorcycle repair--where to find parts?

I'm thinking about picking up my first motorcycle. I'm looking at older bikes, 60s-80s, primarily Japanese bikes. I'm plenty handy around cars, so the maintenance tasks don't concern me, but I'm ...
6
votes
3answers
4k views

How to stiffen up a loose ball & socket joint for a motorcycle mirror?

I have bar-end mirrors on my Buell 1125CR. They're fairly heavy anodized aluminum pieces that pivot on a ball & socket joint for adjusting the angle of view. One of them fits snugly on the joint, ...
1
vote
1answer
816 views

50cc Two Stroke Scooter/Motorcycle - Idle and start issues

this is my first motor-vehicle ever, a Simson s50 from 1976. Things seem to be running fine, but there are two problems I need to figure out: 1) The engine dies unless rev'ed constantly - eg at a ...
2
votes
1answer
382 views

Installing Tachometer on bike

I have 1997 model Kawasaki 4s champion (100cc 4 stroke bike). It have no tachometer . is it possible to install new tachometer on my bike. can anyone give some advise ?. thanks in advance
1
vote
2answers
121 views

Are engines of the same model bike identical?

I am planning to buy a Yamaha Crux from the showroom. I'd like to know how to compare the engines in each of the available bikes of the same model. Will they differ in any way? One mechanic I know ...
4
votes
2answers
1k views

Why isn't it allowed to ride a new motorcycle too fast?

I bought a new motorcycle. The manual says that for the first 500 km, I should not twist the throttle more than half. And for the first 1800km, should not twist it more than 75%. Why isn't it allowed ...