Thanks for the advice guys. I'll buy some cigars and WD-40 and give it a try this weekend.
On 10/6/10, Graham Rogers <[email protected]> wrote: > This works for me. I spray starting fluid on and around the boots > while the engine is running at idle. If the revs pick up you have a > vacuum leak. It's probably smarter to use WD40 or something > nonflammable so the engine stalls if there's a vacuum leak - no > danger then of anything catching on fire, Graham > > On Oct 6, 2010, at 1:15 PM, Chris Besignano wrote: > >> I am starting to suspect a leak in the carb boots. The vacuum line >> is new and I have plugged it with no change in idle speed. I heard >> someone mention spraying starting fluid, WD-40, Seafoam (I had to >> include this) on the boots while the bike is running to see if the >> idle speed changes. Any ideas on this method? >> >> >> On Wed, Oct 6, 2010 at 1:08 PM, Kyle Munz <[email protected]> wrote: >> One way I've seen is to light a match or a lighter and hold the >> flame near the hose. If it's sucking in air it'll pull the flame >> towards it. I probably wouldn't suggest this method around the fuel >> system on your bike though ;) >> You can also pick up a hand vacuum pump with a built in gauge at an >> autoparts store. Pump it up to a couple of pounds and see if it >> holds it. This will run you a few bucks. >> A foot of vacuum line is only a few cents, you could always try >> just replacing it. This is if you're suspecting the line of course. >> Are we suspecting a leaky diaphragm in the petcock or perhaps the >> nipple on the side of intake that the vacuum line connects to? >> >> -Kyle >> >> >> On Wed, Oct 6, 2010 at 11:48 AM, Chris Besignano >> <[email protected]> wrote: >> Hi all, >> >> It's a quiet day on the forum so here's a question: >> >> How do I test if my bike has a vacuum leak? I suspect carb #2 >> (vacuum to petcock) is leaking and want to verify, what do I do? >> >> Thanks >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Nighthawk Motorcycle Lovers!" group. >> To post to this group, send email to >> [email protected]. >> To unsubscribe from this group, send email to nighthawk_lovers >> [email protected]. >> For more options, visit this group at http://groups.google.com/ >> group/nighthawk_lovers?hl=en. >> >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Nighthawk Motorcycle Lovers!" group. >> To post to this group, send email to >> [email protected]. >> To unsubscribe from this group, send email to nighthawk_lovers >> [email protected]. >> For more options, visit this group at http://groups.google.com/ >> group/nighthawk_lovers?hl=en. >> >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Nighthawk Motorcycle Lovers!" group. >> To post to this group, send email to >> [email protected]. >> To unsubscribe from this group, send email to nighthawk_lovers >> [email protected]. >> For more options, visit this group at http://groups.google.com/ >> group/nighthawk_lovers?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/nighthawk_lovers?hl=en. > > -- Sent from my mobile device -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en.
