Cure for hard starting

monster 1100 · Jan 14, 2014

So I found a fool proof method for hard starting,
1) turn ignition on, let it go through its fuel pump priming
2) pull key and open gas tank, there might be a swoosh sound
3) close gas tank
4) turn ignition on again and fire it up!

Fires up 1st time every time!

AlohaMark · Jan 14, 2014

In my experience the cure for hard starting is to not overfill the tank when you gas up. YMMV. Anyone not experiencing hard starting just overfill the tank beyond what the owner's manual tells you. I bet 100% of these folks will be hard starters.

double0 · Jan 14, 2014

Mine has hard started quite a few times even with minimal fuel in it on a hot day. No one knows for sure what is the cause or the permanent cure for this problem. Removing the charcoal canister doesn't do ..... When I experience hard starts, I simply give it some throttle while trying to start it n usually fires right up. Is that the cure? No. Doesn't always work. I've never overfilled either.

CrashAstern · Jan 14, 2014

double0 said:
Mine has hard started quite a few times even with minimal fuel in it on a hot day. No one knows for sure what is the cause or the permanent cure for this problem. Removing the charcoal canister doesn't do ..... When I experience hard starts, I simply give it some throttle while trying to start it n usually fires right up. Is that the cure? No. Doesn't always work. I've never overfilled either.

I'm with Double0 - I was in California not long ago and experienced a few hard starts myself, with the same circumstances. Low fuel, hot day, gave it some throttle when cranking and it burbled to life.

Interestingly, though, I made it all of 35' before it sputtered out and died on me. I was still in a parking lot luckily, and I rocked the bike side to side to try and get more fuel to the inlet. That worked enough to get me across the street to the gas station.

Once I got there and opened it up, I got that *WOOSH!* of breaking a vacuum in the tank. Interesting - didn't think it was /that/ low :O.

tl;dr, I anecdotally echo Double0

quackquack · Jan 14, 2014

double0 said:
Mine has hard started quite a few times even with minimal fuel in it on a hot day. No one knows for sure what is the cause or the permanent cure for this problem. Removing the charcoal canister doesn't do ..... When I experience hard starts, I simply give it some throttle while trying to start it n usually fires right up. Is that the cure? No. Doesn't always work. I've never overfilled either.

Nooooooooooooooooo!!!!!!!! Never give it throttle while starting I did that and Ducati found out when they plugged the computer and somehow that ruins the spark plugs so they replaced them and reset the electronics

double0 · Jan 14, 2014

quackquack said:
Nooooooooooooooooo!!!!!!!! Never give it throttle while starting I did that and Ducati found out when they plugged the computer and somehow that ruins the spark plugs so they replaced them and reset the electronics

Did not know that.

CrashAstern · Jan 14, 2014

quackquack said:
Nooooooooooooooooo!!!!!!!! Never give it throttle while starting I did that and Ducati found out when they plugged the computer and somehow that ruins the spark plugs so they replaced them and reset the electronics

...ruht roh....

turnone · Jan 14, 2014

A tiny bit of throttle upon starting seems a better way than setting there and letting it turn over and over not starting. Minimal to get it to start.

topolino · Jan 14, 2014

I thought the cure all was ditching the charcoal canister that US spec bikes are fitted with. At least you don't have to sport 9 x 7 inch registration plates (mandatory in the UK)

eetjw · Jan 14, 2014

Opening the fuel cap and let it breath and closing it and then firing worked for my monster 1100 every time.

Not really working for my R, it always ends up firing up but sometimes it gets me nervous.

RD16RR · Jan 15, 2014

...."what hard starting"....?

moperfserv · Jan 21, 2014

...."what hard starting"....?

That's the way it's supposed to be. The system isn't meant to have to open the throttle, pop the gas cap, etc. to get it to start.
If you have to pop the cap there may be a tank breather problem (maybe plugged carbon canister?)

Tuning should fix all of that.

Oh yeah, who can actually tune (not just 'flash') these things?

Doug

ScrapperX · Jan 25, 2014

Have them reset the TPS if you ditched the canister and still having issues.

Cure for hard starting

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