Questions tagged [motorcycle]
A self propelled two wheeled motor vehicle with an engine larger than 50cc's.
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What could have caused this tire tearing?
I drive a duke 390, approximately 6500+ kms done and its been two years since purchase. I noticed this tear/crack and had to replace it. with not too much driving, what could have caused this? The ...
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2001 Kawasaki zzr600
I got the bike it had a burnt wire and didn't have a key so I put a resistor on the gray wire issue too so it would be 6 volts now I'm getting 12 volts to the coral but it still acts like it's not ...
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1988 nx Honda 250 No start has fuel, compression, spark
I had to wire the bike up myself bypassed the ignition, lights an all that to get it to spark got a brand new carburetor for it I have half the exhaust off so when its cranking sometimes it will shoot ...
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Fully charged battery won't start engine
I have a Triumph Street Twin Motorcycle (2016) that has generally low milage and running well over the years. When trying to ride recently the bike stuttered and engine didn't kick in, after a few ...
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What's the different between cheap coolant and expensive ones?
I'm living mostly on hotter climate (20-35 Celsius).
Does expensive coolant make my engine running cooler? Or perhaps it will last longer than the cheaper one?
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Should I retard the ignition timing on higher RPM on natural aspirated engine?
I'm confused whether I should advance or retard my scooter ignition timing on higher RPM (> 7000 rpm).
When I open the default stock ECU settings, it seems retard the timing excessively on wide-...
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Hard to restart motorcycle after 30 min trip
My motorbike (Triumph Street Triple R 2013) has an interesting issue. When measuring the battery, it constantly is over 12.7v or even higher. And it starts the engine super well when cold. The problem ...
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Getting Free kms on my Motorbike
I've got a Honda CBR 600F (2000 model). It runs perfectly otherwise, but for the last couple of years has had a weird intermittent issue.
About 5 minutes into my journey, the speedo will suddenly drop ...
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2013 Ninja 1000 Stuttering only in 2nd Gear
My 2013 Ninja 1000 is stuttering when given heavy throttle input, but only in second gear. The bike also had trouble priming the pump when turning on, so I thought these were related. I got an opinion ...
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Tune carb for short trips
I've got a Honda CB600S (CB600F II) from 2001. When I bought it, the carb was worn, causing it to run way too rich. Fuel consumption was absolutely terrible, see my previous post: Honda CB600S 2001 ...
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Motorcycle clutch
Honda xl350 1974
Clutch not working bike won't go into neutral, I can shift it (bike not running obviously)
Riding home bike it slowed down, engine then stalled, costed about 20ft then the back wheel ...
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Friction zone on a slipper assist clutch
I have been wondering about this for a while now, and no one I asked seems to know what the answer is.
A slipper/assist clutch has a set of ramps that work to reduce the clutch engagement when the ...
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2022 Benelli TNT 135
Hello I am having issues with my bike starting. It only wants to start when it is jumped off and will ride pretty decent but shuts off if you slow down after a while to park. Also the engine light has ...
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troubleshooting gas gauge , 2000 kawasaki vulcan 1500 classic with fuel injection
I have a 2000 Kawasaki Vulcan 1500 classic with fuel injection. The fuel gauge needle is stuck at the half-full reading and never moves, even when the ignition is turned off. The low fuel light does ...
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Motorcycle (MT-07) coolant temperature reducing to 60ºC when driving on highway
On the last couple of days I have started noticing that whenever I ride at highway speeds (around 100 kph) the coolant temperature reduces to around 60ºC. If I ride slower it goes back to normal ...
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Do valves still open and close during engine braking
While trying to investigate some rattling noise in my single cylinder motorcycle engine, the question of whether valves are closed during engine braking jumped into my head.
I was assuming that the ...
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Valves in pizza box fell out does order matter if lapping
I had my valves numbered in a pizza box for lapping and i lifted the pizza box up the wrong way and every valve fell to the floor. i can tell intake apart from exhaust easily because they look ...
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Gasoline not flowing after 2 days of not using
I have rider 150 fu motorcycle and it has open carburator.
After using it and not using it in the next 2 days the gasoline ia not flowing anymore, so i need to push or blow air from the tank to let ...
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Avenger 220 - seeing a timing miss when I try to throttle
So I am noticing the following on my Bajaj Avenger 220
Cannot start without choke even when using regularly. When I apply choke, it starts ok
I need to ride for about 2 minutes with the choke engaged....
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Cannot locate broken part on maintenance diagram - YAMAHA 2018 XV250
The following part broke off the carb, and I don't know what it is and cannot locate it on the vehicle diagrams.
As you can see, its just to the left of where the throttle cables attach, and just ...
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What could be wrong with my cbr150r motorcycle?
I have a cbr150R motorcycle. So basically when I cold Start it in the morning it works perfectly on a single self start. But the problem starts when I ride it for sometimes, turn the engine off and ...
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What is the modern equivalent of Soviet tire size 65-405 (2.50-16)?
The title question says it all. My Goggle-Fu isn't strong enough to find any conversion charts. The only size-related markings on the current tires are 65-405 (2.50-16). I believe they are motorcycle ...
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New KLX230 not fully accelerating
When fully engaging the throttle, the engine starts making an underwater "wompwompwomp" sound and ceases to accelerate further. I'm seeing heavier people than me get their 230's to over ...
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BMW Motorrad R1150 Final Drive parts to mount R1150 brake calipers, rims and discs on R1100RS
I'm working on a BMW R1100RS and have acquired the wheels & front fork of a R1150RS.
many of the parts have the same BMW catalog parts numbers.
today i removed the R1100RS rear brake caliper and ...
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Motorcycle "melting" S2 bulbs
My motorcycle (Keeway Superlight 125) has been burning headlight bulbs (S2, BA20d bayonet) at an impressive rate (one every a few months). By inspecting the bulbs I noticed that the little "...
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Rear wheel won’t do a full rotation before locking
I have 1979 cb750k. This is a project and I haven’t started it yet. I picked it up rolled it around a bit then went to wash it. After washing it the rear wheel has become locked at a certain point and ...
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12 volt starter motor for reverse on a motorcycle with a sidecar
I rigged a 12 volt gear reduction starter capable of turning over an 18to1 compression race car motor. it is a 4.4 to 1 gear reduction starter. I have two 12 volt battery's in the system for a total ...
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What is the glue called sealing the joint between the air box and carb boots on motorcycles? What's an alternative?
I've got two older motorcycles, one 1992 and the other 1997. They've both got specifically shaped airboxes, and both connect to the carbs through four rubber boots, similar to those that go between ...
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Would a Kawasaki Z900 exhaust fit on a Kawasaki Z250sl?
Looking to buy a small slip-on exhaust:
It's for a Kawasaki Z900, 2017. But would it fit on a Kawasaki Z250sl?
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1992 Suzuki DR650 kickstart
I recently purchased a 1992 Suzuki DR650 kickstart. After a ride, the engine blew up on me, and I decided to rebuild it and add an electric starter. Can this be done?
If not, then I would look into ...
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Coleman CT200U EX starts when dies
I initially was putting a new carb on but decided to just keep the stock one. I have put it all back on. But when I started it it instantly when full throttle. So I did some research and learned about ...
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2008 Yamaha Zuma won’t start
Will not turn over unless I cover the air intake on the carb with my hand. Fuel gets sucked in and it runs until there is no more fuel. It’s not getting fuel by itself.
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No lights or power but starts off kick, has brand new battery still nothing
I have a pioneer xf125 has no power at all but runs off kickstart and the kill switch works other than that no light or anything, could anyone help?
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Can this damage my motorcycle?
So when I brake, I first hold the clutch to take the power away and then I start braking. The problem is when I try to accelerate again, it takes about 5 seconds for the motorcycle to start moving ...
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What is my mechanic doing when he says he tunes the engine on the annual service?
Whenever I take my motorcycle (MT-07/FZ-07) to the mechanic for the annual service the mechanic says he "tunes" the engine. I do feel a difference, especially a much smoother throttle ...
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Best way to trim protruding adhesive from motorcycle tankpad
The adhesive stickers protrude past the edge of my tank pads.
Any suggestions on the best way to trim the adhesive without damaging the tank paint?
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Spark plugs black soot Virago 250 - came back after cleaning and adjustment
My Virago 250 was running very unevenly, losing power, surging etc. I took out the spark plugs and saw the electrodes were covered in soot. I thoroughly cleaned the plug tips with a wire brush, ran ...
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Eastern beaver h4 relay kit motorcycle, capacitor before the high beam to power relay switch
Everything works fine except the relay doesn't get any power to the high beam switch if the revs are above tickover. I'm thinking of adding a capacitor some where to just get a bit of power to the ...
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Ways to log data on Suzuki GSXR600-R Engine
I am working on a university project where we are building a race car with a Suzuki GSXR600-R Engine and ECU. I am wondering if there is any options for how i am able to record data off of this onto a ...
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Why underbone's engine doesn't stall when the bike is not moving
I'm trying to understand how the semi-automatic transmission in an underbone works, specifically why the engine doesn't stall when the bike is not moving.
These vehicles are the motorbikes with small ...
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What does the lever disk adjust?
The clutch as well as the front brake lever has this rotating disk on it. What does it do?
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Honda SH 150i 2005 Battery Questions
I ride a Honda SH 150i 2005 model and I have the following questions. The motorcycle was parked for about one and a half month. Obviously, after this period of time battery discharged. I removed the ...
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I Need an Adhesive That Will Bond Aluminum to Plastic or Bakelite
I need to bond (or RE-bond) a piece of what appears to be a hard plastic lining onto a cam chain guide used in a Kawasaki KZ400H. It appears the OEM plastic piece was originally glued to the cam chain ...
John Peterson
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Motorcycle poor acceleration
I have a Yamaha V-Star 650 that bogs down when I try to accelerate. My first thought was the carbs, but she revs just fine with the clutch engaged. I don't think that was the case the last time I had ...
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Can motorcycle (SV1000) battery lead fuse (10A) blow due to engine heat?
I recently put in place battery leads to charge my SV1000's battery without removing the seat. I have a suspicion, that the heat from the engine and exhaust (being close to the seat) is repeatedly ...
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Should I replace motor bike entire front braking system?
I own FZ25 motorbike which is 4 years old.
I felt front brakes becoming spongy for quite some time now. I bleeded brakes multiple times. Replaced brake levers, brake pads. I even changed brake wire ...
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1977 Honda CB750K stripped threads
My overall question is that I recently replaced the oil pan gasket and learned that the threads where the bolts screw into are stripped. I was wondering if I could use a helicoil repair kit or if ...
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How to choose an electric engine for a motorcycle?
first time poster, first time lurker. I'm aware of how this sounds, but with me being a complete noob about most mechanics, I thought I'd rather ask.
If I, hypothetically, wanted to change a 740cc/...
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How to get a rough approximation of how long it would take to discharge battery almost fully when keep ignition on?
I want to do a simple 'test' to see if my motorcycle battery is draining too fast. I've heard that if you keep motorcycle ignition on over night, it will drain. But I could not find any single source ...
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Honda VTX 1800 - What is the pressure limit for brake cylinder seals in reverse?
I'm bleeding the brakes on my motorcycle with a cheap autozone mityvac vacuum bleeder and getting A LOT of air. I don't think there's any way there's that much air in my lines (I've run more fluid ...
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