Please specify the brand, model and year in your question.

learn more… | top users | synonyms

4
votes
1answer
25 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
400 views

Why are gears designed in this pattern in motorcycles? [duplicate]

On motorcycles with manual transmissions, the shifting gears goes (down to up) like this: 1st Gear (all down) Neutral (half up) 2nd (full up) 3rd (so on) What is the logic behind this? Wouldn't ...
2
votes
1answer
172 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 ...
2
votes
3answers
611 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 ...
2
votes
1answer
33 views

What is Total litres (reserve, usable)15 litres (3.2 litres reserve, 2 litres usable)?

I bought a new bike(Pulsar 150), and while reading its specs in the user manual i found Total litres (reserve, usable) = 15 litres (3.2 litres reserve, 2 litres usable). what does this mean, I assume ...
4
votes
2answers
95 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?
6
votes
1answer
49 views

Idling issues on 1995 Kawasaki ZZR600

The bike was running rough and could not get a constant idle speed. I checked the air filter and it was pretty well shot (contamination, etc.). As I awaited delivery of the new air filter, as a test I ...
1
vote
0answers
34 views

Yamaha FZ 16 loses smoothness too soon

I have a 2008 model Yamaha FZ. Lately, I have observed that the first week after a service, the motorbike is super smooth with good pickup. But after that it loses its smoothness and becomes dull.... ...
4
votes
1answer
54 views

No spark on my new motorcycle

I recently purchased an 81 Suzuki GS450L, my very first bike. I'm not getting a spark. When it dies, it does so silently. No backfire, sputtering, etc. My first thought was that it had aftermarket ...
0
votes
5answers
3k views

Replacing regular twin shocks with nitrox for my bike

I have a bike with regular Twin shock absorbers. I am planning to change this to a nitrox twin shock absorbers. Because when I used to ride my friend's Bajaj Pulsar 150, my back feels more comfortable ...
0
votes
2answers
165 views

Headlight problem in my honda 125cc bike

I'm having a headlight problem on my Honda 125cc bike. My problem is that I don't have a battery on my bike and every time I connect a bulb, it blows up within 5 mins. As of this moment I can't afford ...
3
votes
2answers
5k 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 ...
5
votes
7answers
4k views

How to Clean a Paper Air Filter

I have a 1989 Yamaha FZX 750, and I can't find a replacement air filter for it. What's the best method to clean the air filter?
2
votes
2answers
78 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
82 views

Does air screw only affects pilot jet?

I have a 2 stroke motorcycle, it's Kawasaki kr150. When I try to do some jetting on its carburetor (it's Keihin PWL26), I saw that there's an air screw. So now I've been wondering about this air ...
1
vote
1answer
82 views

1974 Honda Cb125 Not Starting + Strange Clicking Noise

I have a 1974 Honda Cb125. The other day, she started fluttering at speeds above 30mph. I had run into this issue before, and it turned out to be a bad spark plug connection. I have since replaced ...
2
votes
1answer
47 views

Axle nut sizes on a 2001 Honda Shadow

It seems that the axle nut on a 2001 Honda Shadow are different sizes on either side of the bike. What size are these so I may get the correct wrench to work with them. I have tried other sources ...
1
vote
1answer
207 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 ...
4
votes
2answers
111 views

What is this pipe coming out of the petrol tank under the seat

Sorry, this is a newbie question, but what is this pipe coming out from the petrol tank under the seat? The bike is a 1989 Kawasaki ZZR 250:
4
votes
1answer
75 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
2answers
71 views

How easy (is it possible) for an amateur to change the drain tube of a motorbike fuel tank?

The bike is a 1998/99 Honda CBR 600F. The drain tube seems to be corroded inside the fuel tank, based upon 2 symptoms: Filling the tank more than 3/4 full causes petrol to drain from the drain tube ...
1
vote
2answers
1k views

Should motorcyle exhaust headers ever glow red hot

I've got a '99 Pegaso 650 which hasn't been running for about 7 years. It's was in a quite a deteriorated state when I got it, i.e. seized carbs, tank full of water, sump full of an ugly fuel/oil mix, ...
3
votes
3answers
1k views

2001 Suzuki Katana 750 won't start after jump start and new battery.

Bike has been running just fine. Recently left the lights on while at work, completely draining the battery. Couldn't get it push started there, but was able to get it jumped. I thought no biggie ...
1
vote
1answer
61 views

Honda Engine Seize & overheats

I have Honda Trigger CB and it's a good motor vehicle but when I cross speed at 100km/hr. It heats a lot and often get seize in mid way. It then need to cool off to let me ride it again. Also it gives ...
1
vote
2answers
2k 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
0answers
60 views

Engine oil leak from motorcycle

I'm having this peculiar problem. There is an engine oil leak from my 160 cc motorcycle. The thing is that, I got the engine oil changed couple of days back, by a nearby mechanic. Now the problem is ...
8
votes
5answers
21k views

Why should the fuel petcock valve be turned to “Off” position when not using the vehicle?

It’s mentioned in the user manual of my motorbike, that when not using the vehicle, I should turn the petrol tap (the one that has three positions “On”, “Off” and “Reserve”) to “Off” position. I don’t ...
3
votes
2answers
98 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: ...
1
vote
2answers
364 views

One cylinder not firing, GSX R 750 W

What could be possible reasons that one of the four cylinders (the left or first one) is not working? It was working before, than it did not, then it did again and now not again. I was able to start ...
3
votes
2answers
172 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 ...
-1
votes
1answer
52 views

1998 Honda xr650l starting problem

I have a 98 Honda xr650l it won't start ,it only starts when we attach a fuel pump to it(easily).when the fuel pump is removed it won't start again but it's not made to use a fuel pump we took down d ...
2
votes
1answer
340 views

Bike is sometimes not wanting to shift into neutral

I have a 1982 Suzuki SP250. The bike "doesn't want" to shift into neutral sometimes. I have to rock it back and forth and shift up and down the gears a for a while before it shifts. I have changed the ...
2
votes
1answer
159 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 ...
0
votes
1answer
197 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 ...
4
votes
2answers
76 views

Motorcycle - sudden brake failure - suddenly gone - is it safe?

Recently, my old Honda ST 1100's front brakes failed. It was very sudden; meaning one moment, they worked perfectly, the other, not anymore. There was no gradual decline; no warning, nothing. The ...
3
votes
1answer
86 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 ...
5
votes
2answers
554 views

Why (almost)all dirt bikes have single cylinder engine?

Every dirt bike i know has a single cylinder engine , i myself ride a yamaha xt660z which has huge 660 cc cylinder . What are the characteristics of those engines ? what are the benefits of such ...
4
votes
1answer
51 views

Motorbike rear wheel hub reassembly

I want to get a new tire fitted on my 2003 Suzuki DR650 and removed the rear wheel. Following the manual I took the chain guard off, removed the axle, made the wheel free of chain and brake caliper ...
13
votes
3answers
2k views

What is the technical reason the engineer decided the motorcycle gear pattern as follows?

The gear pattern is selected by clicking a lever with your left foot, and is typically laid out as follows: 6th gear (if applicable) 5th gear 4th gear 3rd gear 2nd gear NEUTRAL 1st gear What ...
5
votes
5answers
924 views

Preventing visor from fogging

How do you prevent your visor from fogging? I ordered a pinlock today for my HJC helmet, but had read some good things about NEC pinkstick (some kind of wax for visor). Usually I just keep the visor ...
7
votes
4answers
19k 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 ;) ...
2
votes
1answer
73 views

Remove Dent From Steel Motorcycle Tank

I was in a motorcycle accident and when I crashed my knee dented my tank on impact. Needless to say my knee is pretty bad but my tank only has a dent in it. Is there a trick for removing a large ...
3
votes
1answer
102 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 ...
4
votes
2answers
175 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.
3
votes
2answers
43 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
2answers
60 views

Does gasoline ruin an air filter?

The carburetor on my 2005 Honda Shadow Aero (VT750C) had a bad leak and flooded the air cleaner assembly with gasoline. The air filter was completely soaked with gas, so I let it air dry. Is my ...
1
vote
5answers
3k views

How fast should a Honda CBR 600 F4i idle when the engine is cold

My CBR 600 F4i idles at about 3000 rpm when the engine is cold, after about 2 to 3 minutes when the engine warms up, it settles back down to regular idle speed of about 1300 rpm. Is this normal for ...
1
vote
1answer
359 views

requirements upgrading of headlamp from 35/35w to 60/55w on bullet 350 uce

I own a Royal Enfield Bullet (std) 350cc 2013 uce model. The bike is fitted with a 35/35w HS1 PX43t halogen bulb. I want to replace it with a 60/55w halogen H4 bulb. Earlier I had installed the ...
2
votes
2answers
255 views

Damaged frame on my motorbike

My 10 year old Yamaha Super Tenere 750 has been off the road for a while as when I got it I learned it had had a bad crash which bent the frame. The rest all works, so I plan to take it to a garage to ...
1
vote
1answer
54 views

Is this the correct procedure for a stator test?

Stator Test I have a 2007 DL 1000 V-Strom: I followed the following process while checking the stator: Put multimeter to VAC Tested the three phases of the stator connector plugged into a new ...