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Questions tagged [motorcycle]

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

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Front Brake Caliper Pistons Jammed

I have a BMW GS310 clocked 30,000 kms the front brakes are not efficient & responsive. upon inspecting the four piston caliper I found that only two pistons are working slightly fine while i apply ...
vuln hub's user avatar
1 vote
1 answer
31 views

Storing moped or high performance motorcycle outdoors

Is it not an issue to keep a moped or high performance sports super bike outdoors in the driveway or street like we do with cars? Will the motorcycle not get damaged from rain sun etc? Cars don’t ...
Suited's user avatar
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2003 Honda Shadow 1100 cutoff while idling

My 2003 Honda Shadow 1100 cc just cut off while idling now usually I would just jump start it with the jump box this time there's no power anywhere I checked my fuses they're good the battery power is ...
Justyce's user avatar
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Suzuki gsx-s1000 sometimes hard to shift gears when cold engine

I own a 2018 gsx-s1000 and sometimes, it's very hard to change the gears, when the engine is cold. No problem with the first gear, but starting with 2nd and up and then when I come down to neutral. ...
user83560's user avatar
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1 answer
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High fuel consumption

I own a bajaj ct100b motorcycle,it should give me an average of about 70+ kmpl but I'm only able to eke out 40-45kmpl ,i tried taking it to service,tuning the carbs,there was a fuel tank leak and got ...
Midhlxj's user avatar
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Fantic Caballero 500 Scrambler Loses Power

I have a Fantic caballero 500 scrambler (single cylinder), little over 2,000kms, so relatively new. The bike loses power (as if there is no fuel being pumped to the system), around 4,000 rpm, and will ...
Mert Aktalay's user avatar
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42 views

Motorcycle failing emissions, high HC

I have a 1999 Triumph Speed Triple T509 885i motorcycle and am located in Austria. I am currently taking it through the yearly inspection which requires an emissions test. The motorcycle is failing ...
Mag's user avatar
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5 votes
2 answers
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Does a new motorcycle headlight need to have the exact power consumption specs as the old one to avoid overworking the regulator rectifier?

My OEM motorcycle headlight is listed as 12V 60/55W (STANLEY). When swapping to a different style of headlight assembly and globe with lower power requirements, for example 35W instead of 55W does ...
John Doe's user avatar
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Kawasaki GPz1100A1 blink/error codes

Could someone please explain how to Pull blink/error codes 1984 Kawasaki GPz1100
Bob Wood's user avatar
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1 answer
46 views

Is there any ecu(engine control unit)in a 70 cc bike like Honda cd 70?

I know that ecu is there in cars but I am confused is there any ecu(engine control unit) in a 70 cc bike like Honda cd 70?
DSP_CS's user avatar
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Changing Motorcycle piston rings

I’m partially disassembling my engine (1984 Honda Nighthawk) to change the piston rings. Engine was failing to turn over and failing compression checks, inserting a little oil in the spark plug holes ...
Griffin Hines's user avatar
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KXD 706 dirt bike

My bike doesn’t have a battery & its jump started, it usually made a sound trying to turn on, got told to replace spark plug even with the noise. I left the bike for about 3/4 months… I’ve changed ...
Brooke's user avatar
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2 votes
1 answer
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How many pistons are there in honda 70 cc bike?

How many pistons are there in honda 70 cc bike?according to my understanding,there is only one piston as there is a single spark plug but i want to confirm my understanding
ATJ's user avatar
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BMW Adventure engine cut out and won't start.Has spark,fuel and compression.No fault codes.my question is motorbike related

Tried spraying fuel down air intake and it turned over quicker but did'nt fire up.If anybody knows some checks with picoscope and can describe the process would be gratefull.PS just bought the pico so ...
peter doidge's user avatar
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1 answer
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Honda nx250 timing problem

Would it matter if the crank shafts on top dead center on the exhaust stroke? What does it have to be on the compression stroke? Because if I put the timing marks in line with the top of the engine, ...
Mason Wilson Vlogs's user avatar
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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 ...
Beverly Reese's user avatar
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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 ...
Whodatjamalio's user avatar
2 votes
1 answer
982 views

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 ...
Tom Good's user avatar
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1 answer
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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?
reptildarat's user avatar
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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-...
reptildarat's user avatar
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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 ...
Vitor HPepz's user avatar
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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 ...
JumpingJezza's user avatar
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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 ...
Kayle's user avatar
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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 ...
Daniël van den Berg's user avatar
1 vote
1 answer
74 views

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 ...
Jimyy's user avatar
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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 ...
rep_movsd's user avatar
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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 ...
Roger's user avatar
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1 answer
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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 ...
niels nielsen's user avatar
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2 answers
172 views

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 ...
joaoa's user avatar
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3 votes
1 answer
157 views

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 ...
Amine Hajyoussef's user avatar
2 votes
1 answer
103 views

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 ...
User Name's user avatar
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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 ...
Mikael Tenshio's user avatar
1 vote
2 answers
60 views

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....
deepakkt's user avatar
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41 views

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 ...
Taekahn's user avatar
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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 ...
Tushar7's user avatar
1 vote
1 answer
77 views

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 ...
Vilx-'s user avatar
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261 views

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 ...
Griffin Hines's user avatar
1 vote
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49 views

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 "...
AlexanderCar's user avatar
1 vote
0 answers
45 views

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 ...
Garrett Charles's user avatar
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1 answer
372 views

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 ...
Bill's user avatar
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2 votes
1 answer
336 views

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 ...
Matt Lacey's user avatar
1 vote
1 answer
44 views

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?
nammerkage's user avatar
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0 answers
251 views

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 ...
Zeus's user avatar
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1 vote
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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.
Greg's user avatar
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1 answer
117 views

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?
Jordan Jones's user avatar
1 vote
1 answer
114 views

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 ...
RICARDO A PEREZ V's user avatar
1 vote
0 answers
51 views

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 ...
joaoa's user avatar
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2 votes
0 answers
33 views

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?
DonKanDon's user avatar
1 vote
1 answer
224 views

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 ...
Clive Long's user avatar
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63 views

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 ...
Richard Terrell's user avatar

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