Questions tagged [motorcycle]

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

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1answer
35 views

‘93 Yamaha SR125 Starting Issues

So I recently acquired a ‘93 Yamaha sr125. It passed its MOT in 2017 and was running for a while but has now been sat for over a year. I’ve replaced the battery, stripped and cleaned the carb. I ...
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1answer
106 views

Can I use 3/4“ or 5/8” heater hose instead of 18 mm?

I have a '94 Honda VFR and two of the coolant hoses are 18 mm ID. 18 mm is a very unusual ID, and it would be easier to for me to go to the auto parts store and get a size they have in stock, which ...
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1answer
24 views

Buzzing noise from under seat when trying to start motorcycle

The bike is a 2012 Kawasaki W800. It has not been ridden for a few months and the battery went flat. I charged the battery and went to start but just got an electric sounding buzzing noise coming from ...
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1answer
57 views

Sudden loss of power when shifting or sitting at a light, can't idle (motorcycle)

After hitting a nasty bump on the road a month ago, which stalled my bike immediately, the engine will occasionally go from providing normal amounts of power to about 25% of that power, and it will ...
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2answers
62 views

Can a engine that calls for 10w30 oil, run with 5w40 oil without any problems?

I have a motorcycle that calls for 10w30 oil, but all i can find at different stores around my house is 10w40 or 5w40 would either of those ruin anything if i use them instead?
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0answers
17 views

Will a motor scooter leak when tilted at 45°

My family is moving and the movers loaded our Honda Ruckus into the truck with the front wheel raised to make a 45° angle. Could this cause any fluids to leak?
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1answer
74 views

2018 BMW S1000RR hesitates when hot

Recently got the bike serviced. Its done 5500 KMS. But soon after the 2nd service , I started experiencing engine hesitation issues , especially around 4 to 6000 rpm , regardless of gear. The engine ...
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1answer
17 views

09 Yamaha 250 vstar boggs down when throttle is twisted

I just finally got my first bike it's a 2009 Yamaha 250 vstar. I bought a new carburetor and I have got it running, but when I seem to give it a lot of throttle it starts backfiring and boggs down. I ...
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1answer
37 views

Whats the best way to clean this wheel up?

I purchased this wheel on ebay because I was instructed it was balanced, but needed to be cleaned. The seller told me it was a mix of body filler from the orange-red,chrome still on it and the black ...
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0answers
21 views

Bike wont start 2003 Suzuki gsxf750

I have a 2003 Suzuki gsxf 750. I push the starter button & I can hear the starter spin but it doesn't turn the motor over. What could be the problem?
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1answer
40 views

What is the duration of changing engine oil in Bikes and What is the impact of oil in Bike mileage?

I am asking two question which has some connection closely. I having Honda Shine Bike which is running fine. I am curious about changing oil...Is it necessary to change engine oil in every 4 months ...
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5answers
10k views

Motorcycle pulls the steering heavily to the side when turning

When I turn into a corner or tilt the bike on a slower speed it pulls the steering heavily inside the turn or tilt, so that I have to countersteer it with quite a force to hold the intended line. On a ...
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0answers
17 views

Pulsar RS200 oil leakage near back suspension

There is oil leakage near the back shocker, I got bike checked all oil capping seals are fine and all the necessary changes were done but still oil is leaking.
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2answers
243 views

What causes an engine idle to increase briefly?

I have an 82 Honda 450 Nighthawk motorcycle that I'm rebuilding and I need to tune/balance the carbs. I have them bench-balanced and reset the idle screw on both. Now it runs a lot better, but every ...
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1answer
22 views

Tolerance on the wheel imbalance for a road/sport motorcycle

TLDR Taking into account both drive safety and mechanical stresses, is a wheel imbalance of 50 g (~2 Oz) a safe threshold for a generic road motorcycle? Does the figure change if we consider ...
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0answers
21 views

Quickly swapping wheels on motorcycle without any adjustments

I own a Ducati 848 EVO sports motorcycle and i am planning on changing my stock cast aluminum rims with forged aluminum ones. I was wondering if i decide to keep my old wheels and buy tires+brake ...
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1answer
98 views

Motorcycle engine oil decreasing periodically

Why the oil is decreasing in the engine, I have to refill the oil monthly
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1answer
73 views

Can I use a yoshimura exhaust in any bike?

I have an old Triumph motorcycle 955i that im customising. I want to change the exhaust and use a second hand yoshimura cheap one Is that possible? Or the exhaust needs to handle different pressure or ...
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1answer
45 views

04 Honda shadow spirit 1100 backfires and loses power when accelerating

I have a 2004 Honda shadow spirit 1100. When I open up the throttle to accelerate the bike starts to backfire and loses power. This mostly occurs on the interstate when i'm accelerating from 60 to 70 ...
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0answers
32 views

KLX230 Check Engine Light After Stall

I've had this bike (2020 KLX230), brand new for about two weeks now, I just now stalled it for my first time at a light (embarrassing), and the check engine light came on, once I started it back up ...
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0answers
26 views

crankshaft rotation R6

I am performing a valve adjustment, I have been reading the yamaha r6 workshop manual, and it tells me to rotate the crankshaft counterclockwise, by doing this I hear gear sounds that I did not like, ...
3
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1answer
565 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 ...
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1answer
58 views

How can I extend my throttle cable by ~1"

The bracket that my right mirror screwed into broke off right near where it was welded to the handlebar, and I couldn't fix it so I just put a new mirror mount bracket to the right of it and moved my ...
0
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1answer
51 views

Suzuki GS500 '98 bogs when opening the throttle

The motorcycle starts without issues even when cold. It functions normally at any position of the choke. When it is still cold and you try to open the throttle, it bogs like on the video (see ...
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1answer
24 views

93 Seca 2 Wont start without a jump, battery good?

So i have taken the battery out and had it tested at autozone and they said the battery was fine. the solonoid is fine because if i hit the starter the motor starts to act like it wants to turn but ...
4
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2answers
3k views

How to find model year of this Honda Shadow bike 'NC34-1002157'?

Recently, I was about buying nice Honda Shadow but the seller didn't know the model year of his bike. I saw many 17-digit vin numbers and I can decode it, but 11-digit vin is difficult and I don't ...
1
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1answer
84 views

Poor Uphill acceleration and skipping gears

I have a Honda CBF125cc 2010 model. I have recently tightened the chain and changed the sprockets. In the last couple of weeks my bike seems to skip 4th gear. I can physically move the gear shifter ...
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1answer
46 views

Battery charging issue

I've got a 2012 Yamaha WR450F motorcycle which has a 3 phase alternator with a regulator/rectifier. Currently the battery is not charging when the bike is running and testing the voltage when running ...
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3answers
8k views

What is the difference between JASO MB and JASO MA and JASO MA2

I want to ask the differences between the JASO MA MA2 and MB oils.I have checked the JASO website but does not offer much information on this.Also why is it advised to not use JASO MB oil for ...
2
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5answers
11k views

What is the tank size of a honda shadow 750 (2009)?

I have a Honda Shadow 750 (Aero). I see people saying they fill it up to 3.8 gallons. I can't get even near to that. When I get to 1.8 the pump stops automatically and with 1.8 I can ride for about ...
7
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4answers
6k views

Why aren't rotary/Wankel engines used more in motorcycles?

The strengths of the rotary/Wankel engine seem perfectly suited for the needs of a motorcycle (small, lightweight, smooth, high revving). The main disadvantage (lousy fuel economy) also tends to be ...
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0answers
31 views

Motorcycle lost all acceleration on highway and now has no power to go into gear. Kawasaki Ninja 400 ABS

This is the second time something similar like this has happened. The last time, I was in 2nd gear taking off and the bike just wouldn't accelerate further. After stopping the bike, throttling the ...
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2answers
9k views

Do I need to reprogram ECU when adding custom Air filter

I was thinking of replacing the air filter of a bike into a custom free flow filter. I understand that I have to mod the exhaust to free flow as well to accompany the increase in exhaust due to the ...
2
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2answers
415 views

'94 Kawasaki ZZR600: Electrical issues

first post here, be gentle :) I have an (presumeably) electrical issues with my '94 Kawasaki ZZR600 (ZX6). Two weeks ago, I was ready to go to work when suddenly the bike died on me, all electrical ...
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0answers
26 views

Why does my motorcycle turn off?

My name is Tracy from Dallas and I'm trying to diagnose a strange problem on my bike. Bike: Harley Davidson Street Glide. My motorcycle turns off while running and it turns off while at a stand still....
2
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4answers
3k views

Motorcycle: Annoying brake disc rubbing. Can't understand why

My bike is two months old. After about 1000 km's. I noticed rubbing on front disks. I think the left one making all sound. And the worse, this rubbing shaking handlebar after about 95 kmph and all ...
17
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5answers
63k views

What is the motorcycle equivalent of OBD-II?

I once met an OBD-II expert while traveling and asked him if motorcycles (especially the fuel-injected ones) employ a similar protocol. He said that the use of such a protocol is not as widespread ...
2
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0answers
19 views

I have a 2001 gsxr 750 bogging down between 7000 and 9000 rpm but good before and after that?

I've got a 2001 GSXR 750 bogs down between 7 and 9000 RPM but anything before and after that it runs great... ive got new stator new injectors ,new coils and new fuel pump and filter. oh and new ...
2
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1answer
13k views

What's the lowest voltage I should accept on a brand new 12 volt AGM motorcycle battery

I recently purchased a brand new 12 volt AGM motorcycle battery. When I got it home I measured it with my volt meter and it read 11.81 volts. I took the battery back to the bike shop and tried to ...
5
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2answers
6k views

Motorcycle won't start without jumping the solenoid

If my bike wont start but does start when I use the wrench on the solenoid trick; does that mean I need to replace the solenoid? I'm having trouble working this out as I'm new to mechanics and trying ...
0
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3answers
10k views

Wiring a 3 pin relay to power a dual horn from a stock switch (single-horn)

I am trying to implement a dual horn setup for my bike. The stock came with a single horn. I have with me a 3-pin relay(H-B-S) with me. I am connecting the positive from the battery to the B terminal, ...
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0answers
27 views

Yamaha not starting (see video)

Afternoon all, I have a xmax 300 working perfectly until today when it did not start at all, I have sufficient power in the battery, every function working perfectly until I try to start it and it ...
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0answers
27 views

2010 Stratoline S 1900 Motorcycle

When I am cruising at about 40 mph on my motorcycle and I disengage the throttle in any gear I have clanging noises like metal to metal very annoying plus I just had new tires front and back this ...
1
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1answer
75 views

03 Suzuki GSXR 600 stator wires

I ended up having to hard wire my stator after the plug burnt up. I've no issues except small oil leak from the stator cover. Well after taking it off time and time again and attempting to fix it I ...
1
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1answer
51 views

Bike not starting after filling it with petrol, but was completely empty before

My bike is a Honda dream neo-110cc It was completely empty before I refilled it with petrol. Now it's not starting. Someone told me that I needed to kick-start it. What was happening? What can be done?...
1
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1answer
95 views

2009 Suzuki LS650 Battery Problem/Question

I bought a new battery that had the same amp and voltage as my current battery that I was going to replace. I double checked via the website, and they confirmed it would fit my motorcycle. (Moto ...
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2answers
1k views

Motorcycle clutch with grinding sound

I have a Suzuki Gixxer 155 2015 model. After going to a shop for vulcanizing my rear tubeless tire, it felt like I was carrying a very heavy load. It was a very heavy traffic in my area so I used ...
0
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1answer
272 views

Switched power wire on 2017 Triumph Tiger Explorer XRx

I have a 2017 Triumph Tiger Explorer XRx, and need to find a wire that can act as a switched power source. My aftermarket lights (Denali D4) are connected directly to the battery, but I need a ...
3
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1answer
557 views

BS4 Royal Enfield Classic 350 stops all of a sudden as not enough fuel is coming out in On position. Even changed the petcock and cleaned the tank

Bike stops suddenly when in ON position. Removed the fuel line from petcock to carburetor and saw that not enough fuel is coming in ON position. Changed the petcock, cleaned the tank from inside, but ...
2
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2answers
141 views

Honda innova 125 brake problem

Hi I have Honda innova 125 motorcycle and I was riding and the front brake locked and I crashed the person who helped me said this was due to lack of brake fluid, now the front brake doesn’t work at ...

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