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

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3
votes
2answers
27 views

Yamaha Gladiator SS 125 model motorcycle engine problem

I have Yamaha Gladiator SS 125 model motorcycle. After repairing the engine there has been one problem in my engine. It is that the mobil from the engine flows towards the air filter and then the same ...
2
votes
1answer
27 views

I3 engine balance/power delivery

I'm trying to learn more about inline 3 engine balance and engine balance in general (motorcycles)... I3 interests me for a few reasons but i want to further understand how they work. L4 and ...
2
votes
1answer
13 views

Motorcycle front disc brake scraping sound

Had my tyres changed on my CBF 125, last week. Since then, I've had issues with braking. I took the bike back to them and taking the wheel off (to change the tyre as it was already going flat) and ...
2
votes
1answer
22 views

Activa engine noise

My neighbor and I purchased an Activa 3g at the same time. When my bike is in idle (just after immediate start) as well in running condition, it sounds little bigger/ rough noisy like dub dub... Also, ...
6
votes
0answers
149 views

Once-only thud knock when open throttle

I have a 1997 Yamaha TRX850. When I open the throttle I'm hearing a thud knock sound near the left crankshaft cover. That sound does not always appears and I can't find any correlation between ...
5
votes
0answers
120 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 ...
3
votes
0answers
27 views

2001 WR426F Leaks a bit of oil out of the breather tube, is it normal?

I have a WR426F that after a bit of trailing has a small (couple drops) puddle of oil underneath it after sitting a bit. It seems to be coming from the breather tube, is that normal? I also have a ...
3
votes
0answers
65 views

Honda Hornet engine stalls

I have a Honda Hornet (CB600F) PC41 from 2007. It's the first model with EFI. The bike has an error that we can detect by observing the blinking pattern of the FI light: 2 long and 9 short flashes. ...
3
votes
0answers
38 views

New fairing from China - front centre cowl - screws don't fit

I recently bought some new fairing from China. When trying to fit the headlight to the front centre cowl, it appears that the holes for the screws are too small by a fraction. Also, in the old cowl, ...
2
votes
0answers
16 views

2001 Suzuki Intruder W/'03 ENG burning out voltage regulator

Bike will start and run for about fifteen minutes then unexpectedly quits. Replaced voltage regulator once already. I've checked fuses and looked for exposed wires....still no luck. Any explanations?...
1
vote
0answers
22 views

clutch problems

Sat for a very long time (8 or 10 minutes) in gear with clutch depressed due to traffic problem. Once I got back into motion, my clutch seemed to have been blown. After the bike cooling down (half ...
1
vote
0answers
51 views

Idle RPM is not setting properly sometimes

I have an Apache RTR 180 (Carbureted) Sometimes, when I downshift, and when shifting down to 1st gear (to stand still), the RPM shows somewhere around 2000. The normal idle is around 1200 - 1400 RPM. ...
1
vote
0answers
36 views

6 YO Honda CB Twister 100 cc bike delivers rough (struggles to keep pulling) power output post 40-50 kmph

It's just that the engine struggles to put out more power, with a lot of roughness in the engine sound post 50 kmph - What might be the problem? The recommended engine oil is 10w30 for this, but i've ...