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my 95 is turning 20 in a few months and the only issue she has every given me is a horrible hard start. I know it has to be the 20 year old gasket and seals. I would like to replace as many gaskets and seals as possible and also the floats. I looked on ebay but i saw prices from 20-350$. I just need advice on what "kit" gets me what I need. I will also be replacing the intake boots.

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leaking or? my '90 still has no leaks. I've never seen a vfr with a leak other than the reg/rect melt down :)

horrible start could mean several things but seals? not likely

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my new 97 acquisition was giving me issues and I came to find out that the two non removable passages near the main/pilot jets were clogged. I was unable to get it clear with carb cleaner, so I used 'the works' toilet bowl cleaner and it opened up 2 of them (the 2 that were clogged) with little issue. Bike starts with no problem now.

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your pilot jets are clogged . the carbs need cleaning..

as for the air passageways giving mcrwt644 problems. use a very thin stiff wire like on the K&L carb cleaner wire set.

its NOT the same as a welding tip cleaner. there are 3 super fine wires in there..

0000_k_and_l_carb_cleaner_wire_set_--_zp


if you want to take a shot yourself..
i will start with i am a honda tech..and i have had lots of VFRs since my 16th bday.. :)
step one..DOWNLOAD THE MANUAL

if you bike has been sitting with gas in the carbs..
YOU'RE GOING SHOPPING NOW!!!
30 bucks.. a one gallon can of GUNK CARB DIP.. this is NOT spray. gunk is the brand.
DO NOT GET BERRYMAN DIP!!
it SUCKS SUCKS SUCKS!!!!!!!!
did i mention berryman brand sucks??

gunk_zpsd0943120.jpg

$4 a spray bottle of silicone lube.
$4 a spray can of carb cleaner..
if you have an air compressor.. that would be great.

$15 get 2 cheap pry bars about footlong and a big rubber mallet.

$1 each get several aluminium foil baking pans 1x1 or about that.
$1 plastic pan the size of a kittylitter tray.
$1 a small flat blade screw driver that will be used to get out the pilot jets.. which i can promise you are clogged up. the same size as the pocket drivers the snap-on guts give out. and you should already have a 6 , 7, 8,10 12, 13, 14, 17 18, 19 sockets.. you will only need the 7mm here.

$7 a cheap impact driver.. the floatbowl screws may be 'screwed" if others screwed them up.
$5 a hammer.


first up.. you all ready have the tank off.. and the air box.. leave the 4 carbs connected!!there is no reason to separate them from the plenum .

next.. unscrew the 2 screws holding the throttle cable clamp in place to the carb... and you remove the cable in 30 seconds.

since you have the airbox off.. you can how the choke cable come off.. use your finger to slide the choke.. and pull the slack cable out .and remove if from the carb.
loosen the front top clamps on the intake boots..

and REMOVE the rear 2

place the 2 pry bars under the rear carbs. right where they meet the rear head.. and gently pry them up both at the same time. bet they pop up in 5 seconds. if they dont.. make sure you loosened the clamps..
now that the back 2 are out the front 2 pop up with a gentle push with the pry bars under the front.. very easy..

now that the carbs are out..
remove the float bowls. and the jets..
PAY ATTENTION TO THE JETS!>> make sure the front 2 match ditto for the rear 2.. its possible all 4 are the same . but its just as likely they will be different.


remove the carb tops and the springs and slides..

place the cabs in the foil bottom side down. and shape the foil to get a good fit.. place in another foil pan.. just incase the 1st will leak.. and repeat..
you will now place this in the kitty litter plastic tray.
pour the gunk carb dip into the foil and let the carbs soak.. drop your jets in there too.. and in a few hours go check them.. if the brass looks like new..and you can SEE through all of the jet holes. you're ready to rinse it all off.
you MUST rinse it with water until the run off stops turning white.!!!!
let dry.. or blow it off.
blow out all the holes in the carb with air compressor.. or carb spray.


reinstall the jets and floats and float bowls, ditto for the slides and tops.
lube all pivots with silicone spray..lube all choke slides ect etc..
lube the intake boots..
install the front 2 carbs FIRST! they will pop right in. next..
lower the rear 2 and then place the pry bar tips just inside the lip.. press down on the carbs.. the prybars will act like a shoe horn and presto! your in! ! if not..you may need the rubber mallet to drive the carbs down. install the top clamps and all the other stuff.

honestly.. i can never understand why people complain about installing and removing the carbs. my 1st try took 5 min off and 5 min on. that was 25 years ago.. my god i am getting old!

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your pilot jets are clogged . the carbs need cleaning..

as for the air passageways giving mcrwt644 problems. use a very thin stiff wire like on the K&L carb cleaner wire set.

its NOT the same as a welding tip cleaner. there are 3 super fine wires in there..

0000_k_and_l_carb_cleaner_wire_set_--_zp

if you want to take a shot yourself..

i will start with i am a honda tech..and i have had lots of VFRs since my 16th bday.. :)

step one..DOWNLOAD THE MANUAL

if you bike has been sitting with gas in the carbs..

YOU'RE GOING SHOPPING NOW!!!

30 bucks.. a one gallon can of GUNK CARB DIP.. this is NOT spray. gunk is the brand.

DO NOT GET BERRYMAN DIP!!

it SUCKS SUCKS SUCKS!!!!!!!!

did i mention berryman brand sucks??

gunk_zpsd0943120.jpg

$4 a spray bottle of silicone lube.

$4 a spray can of carb cleaner..

if you have an air compressor.. that would be great.

$15 get 2 cheap pry bars about footlong and a big rubber mallet.

$1 each get several aluminium foil baking pans 1x1 or about that.

$1 plastic pan the size of a kittylitter tray.

$1 a small flat blade screw driver that will be used to get out the pilot jets.. which i can promise you are clogged up. the same size as the pocket drivers the snap-on guts give out. and you should already have a 6 , 7, 8,10 12, 13, 14, 17 18, 19 sockets.. you will only need the 7mm here.

$7 a cheap impact driver.. the floatbowl screws may be 'screwed" if others screwed them up.

$5 a hammer.

first up.. you all ready have the tank off.. and the air box.. leave the 4 carbs connected!!there is no reason to separate them from the plenum .

next.. unscrew the 2 screws holding the throttle cable clamp in place to the carb... and you remove the cable in 30 seconds.

since you have the airbox off.. you can how the choke cable come off.. use your finger to slide the choke.. and pull the slack cable out .and remove if from the carb.

loosen the front top clamps on the intake boots..

and REMOVE the rear 2

place the 2 pry bars under the rear carbs. right where they meet the rear head.. and gently pry them up both at the same time. bet they pop up in 5 seconds. if they dont.. make sure you loosened the clamps..

now that the back 2 are out the front 2 pop up with a gentle push with the pry bars under the front.. very easy..

now that the carbs are out..

remove the float bowls. and the jets..

PAY ATTENTION TO THE JETS!>> make sure the front 2 match ditto for the rear 2.. its possible all 4 are the same . but its just as likely they will be different.

remove the carb tops and the springs and slides..

place the cabs in the foil bottom side down. and shape the foil to get a good fit.. place in another foil pan.. just incase the 1st will leak.. and repeat..

you will now place this in the kitty litter plastic tray.

pour the gunk carb dip into the foil and let the carbs soak.. drop your jets in there too.. and in a few hours go check them.. if the brass looks like new..and you can SEE through all of the jet holes. you're ready to rinse it all off.

you MUST rinse it with water until the run off stops turning white.!!!!

let dry.. or blow it off.

blow out all the holes in the carb with air compressor.. or carb spray.

reinstall the jets and floats and float bowls, ditto for the slides and tops.

lube all pivots with silicone spray..lube all choke slides ect etc..

lube the intake boots..

install the front 2 carbs FIRST! they will pop right in. next..

lower the rear 2 and then place the pry bar tips just inside the lip.. press down on the carbs.. the prybars will act like a shoe horn and presto! your in! ! if not..you may need the rubber mallet to drive the carbs down. install the top clamps and all the other stuff.

honestly.. i can never understand why people complain about installing and removing the carbs. my 1st try took 5 min off and 5 min on. that was 25 years ago.. my god i am getting old!

thanks but now that I remember earlier this year when I returned from deployment on startup my carbs where leaking from somewhere. Im sure my floats where stuck as a tap with a screw driver got it to stop. Should I replace them also or are they just dirty?

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mostly just stuck.. i have only seen a BAD float once in 20 years of working on bikes. and it wasn't a honda..

do look at the tip of the float needle they have rubberized tips that may dry out and crumble if sitting too long.

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What is "horrible hard starting issue"?

I learned pretty quickly with my -bought when new- 97, that you must touch the right buttons to fire her up (sounds familiar eh? :goofy: ).

Choke all the way open

push starter button once, let go

push again and hey presto!

idle will run up quickly, so push half way down. after 10 seconds push choke all the way in

YMMV

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What is "horrible hard starting issue"?

I learned pretty quickly with my -bought when new- 97, that you must touch the right buttons to fire her up (sounds familiar eh? :goofy: ).

Choke all the way open

push starter button once, let go

push again and hey presto!

idle will run up quickly, so push half way down. after 10 seconds push choke all the way in

YMMV

full choke and hit start button about 10 seconds, repeat about 4 times and she will start.

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I would try some STP multipurpose motor treatment. My gen 4 would not start without the choke on and would not idle without the choke on. Although after running some generic carb cleaner I got it to the point where if I got the bike hot, I could give it some throttle and it would not die on me.

I bought that STP stuff last week since it also doubles as a fuel stabilizer and I only expected marginal gains with the idle issue. Well, after a 100 mile ride it is all fixed. Idles just fine. I still need to use the choke to start it but once it is kind of warm it will now idle on its own.

There are several people on this forum that will say cleaners do not fix issues like this or that you have to take apart the carbs, but my experience has proven otherwise. My gas mileage even jumped to almost 50mpg. I was getting 38 tops before I used this stuff to clean out the carbs/jets.

Just dump it in your tank and go for a ride. http://www.stp.com/products/multipurpose-additives/multipurpose-motor-treatment/

You might have to run it through a few tanks. It fixed mine after using 2.5 gallons of fuel.

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you can try the above method of spending $$ on gas additives..

and have a hard time starting your bike, until they do their job.. and it may or may not work..depending on how dirty they are..

or you do as i said.. and DOWNLOAD THE MANUAL 1ST..

and clean the pilot jets.

NO you cant get to them from the top. ..

at a bare minimum of cleaning just the pilot jets and blowing out the other passage ways, require the carbs to come off.

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Did you check/replace your plugs by any chance? I must have been tired when I posted earlier, but thats the 1st place I would start. Run cr8 or cr9 ngk. 9 for racing around, 8 for distance without mobbing around or racing.

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OK, I don't believe in carb cleaner fixing what should be done properly, BUT on the advice of my local Honda shop tech I put some Gunk brand stuff in my Trophy. I had let it sit too long with untreated gas and it got a pretty big stumble off idle. It did clear it up about 95%. Still no substitute for a proper cleaning though.

Below is a link to an outside forum. I suspect it is not good protocol to link outside, but it is all about Honda V4's. Billy C. is a carb guru who is dedicated to help us V4 Honda guys. He doesn't do any other carbs. He also sells different levels of rebuild kits with detailed instructions. No better guy for this and his prices are designed for us poor folk. He also sells his services/kits on eBay if the link doesn't work without membership. I can put you in communication with him if need be.

Cheers,

Glenn

http://v4hondabbs.com/index.php?board=92.0

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OK, I don't believe in carb cleaner fixing what should be done properly, BUT on the advice of my local Honda shop tech I put some Gunk brand stuff in my Trophy. I had let it sit too long with untreated gas and it got a pretty big stumble off idle. It did clear it up about 95%. Still no substitute for a proper cleaning though.

Below is a link to an outside forum. I suspect it is not good protocol to link outside, but it is all about Honda V4's. Billy C. is a carb guru who is dedicated to help us V4 Honda guys. He doesn't do any other carbs. He also sells different levels of rebuild kits with detailed instructions. No better guy for this and his prices are designed for us poor folk. He also sells his services/kits on eBay if the link doesn't work without membership. I can put you in communication with him if need be.

Cheers,

Glenn

http://v4hondabbs.com/index.php?board=92.0

glen.. he needs his pilots cleaned not a rebuilt kit filled with stuff he doesn't need.

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OK, I don't believe in carb cleaner fixing what should be done properly, BUT on the advice of my local Honda shop tech I put some Gunk brand stuff in my Trophy. I had let it sit too long with untreated gas and it got a pretty big stumble off idle. It did clear it up about 95%. Still no substitute for a proper cleaning though.

Below is a link to an outside forum. I suspect it is not good protocol to link outside, but it is all about Honda V4's. Billy C. is a carb guru who is dedicated to help us V4 Honda guys. He doesn't do any other carbs. He also sells different levels of rebuild kits with detailed instructions. No better guy for this and his prices are designed for us poor folk. He also sells his services/kits on eBay if the link doesn't work without membership. I can put you in communication with him if need be.

Cheers,

Glenn

http://v4hondabbs.com/index.php?board=92.0

glen.. he needs his pilots cleaned not a rebuilt kit filled with stuff he doesn't need.

Yes, I know that. Maybe I was thinking faster than I could type. Then I digressed.

My Trophy's issue was the pilots, hence my mention of the Gunk carb cleaner - although I do recommend proper cleaning. Still, it worked for me (only 95%, IMO) and may be worth a try.

My info about Billy and the specialized service he gives us Honda V4 owners (and only us) was meant to be viewed by the "masses" in case somebody else among us might want to check out his parts and services.

Cheers,

Glenn

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  • 3 weeks later...

well i lowered the idle to 1000rpms which i had no idea its what it was supposed to be at and it helped a lot. I just did it 2 days ago and so far it starts right up but won't hold idle unless it has a little bit of throttle but it beats the 2-3 minutes of on and off cranking and playing with choke before.

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Eric. I ran into this/these symptoms in the last couple of days. After checking everything fuel related, i came to the conclusion that it was indeed electrical. If you have the shop manual, check out the troubleshooting section in 16-3 through 16-4... ignition system. I am lucky enough to have a multitude of spares here and threw a new, albeit used, pulse generator in... BAM no more hard start... easy idle, choke works the way she should. Check it out... post your findings...good luck.

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  • 4 months later...

well almost a year after and a 5,000 mile move from Hawaii to North Carolina I have had enough. Bike wouldn't even start once I got to NC so tore into it. Used Zep purple cleaner once we ran a visual test on what it would do to the jets and it worked great. 3 of 4 pilot jets where clogged. 2 of 4 mains where clogged. Thanks for everyones response. It took me 90 minutes from beginning to end.

dirty

20150304_105518_zpsqpvedmvr.jpg

dirty engine

20150304_105536_zpshricwlzd.jpg

Zep treated while the jets soak

20150304_113822_zpsgmusq3wf.jpg

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