honda Spree Carb to intake manifold bolt threads?

Moparmick · Post by **Moparmick** » Fri Aug 03, 2012 9:50 pm

Anyone have any ideas on how to rethread carb to intake safely? On a spree , I have 3 different carbs and all have 1 or both bolt holes stripped, cant get air tight seal between carb and intake,having trouble getting it to run, found this as the only obvious problem, any help appreciated. Thanks, Mick

martynkim · Post by **martynkim** » Fri Aug 03, 2012 9:53 pm

Moparmick wrote:Anyone have any ideas on how to rethread carb to intake safely? On a spree , I have 3 different carbs and all have 1 or both bolt holes stripped, cant get air tight seal between carb and intake,having trouble getting it to run, found this as the only obvious problem, any help appreciated. Thanks, Mick

Heilcoil or nuts on the back side of the carb. Then again,

new carb.

mousewheels · Post by **mousewheels** » Fri Aug 03, 2012 11:18 pm

Helicoil, Timesert or other repair is a good repair, but may cost a bit if the owner has to buy the set.

On the Spree, if threads on the bystarter side are stripped, a 'jam nut' is an easy fix, but requires care with bolt length. The bolt must not come in contact with the bystarter side housing. Add washers or grind as required.

-- Hazard --
When the bolt hits the housing, it can/will distort the bore the bystarter air valve (outer brass collar) has a close slide fit with. Distortion of the carb body freezes up the bystarter .

-- Alternate low cost repair --
Some have drillled/tapped for 1/4 x 20 threads.

-- Pics of jam nut repair --

: Spree_Carb.jpg (72.36 KiB) Viewed 5918 times

A screwdriver will hold the nut if a thin 10mm wrench is not handy.

: SpreeCarb_JamNut_Screwdriver.JPG (43.19 KiB) Viewed 5918 times

abreen89 · Post by **abreen89** » Fri Aug 03, 2012 11:49 pm

in my expierence the heli coil is really hard to use on the carb because the thread holes arent deep enough the nut works the best..

paulpauly7 · Post by **paulpauly7** » Sat Aug 04, 2012 1:36 am

tap it out to a m7 and get new bolts

abreen89 · Post by **abreen89** » Sat Aug 04, 2012 1:53 am

paulpauly7 wrote:tap it out to a m7 and get new bolts

you risk cracking the carb and then you will have to get a new one

paulpauly7 · Post by **paulpauly7** » Sat Aug 04, 2012 1:59 am

ive done lots i suppose if your a meathead and cant use a tap correctly then i suppose that would be a problem

abreen89 · Post by **abreen89** » Sat Aug 04, 2012 2:07 am

paulpauly7 wrote:ive done lots i suppose if your a meathead and cant use a tap correctly then i suppose that would be a problem

is m7 jus next size up?

paulpauly7 · Post by **paulpauly7** » Sat Aug 04, 2012 4:34 pm

yes the stock bolts are m6

abreen89 · Post by **abreen89** » Sat Aug 04, 2012 8:41 pm

paulpauly7 wrote:yes the stock bolts are m6

so wouldnt that require drilling up for the m7 too fit?

paulpauly7 · Post by **paulpauly7** » Sat Aug 04, 2012 11:22 pm

just stick to your bolts :peace:

fastplastic · Post by **fastplastic** » Sat Aug 04, 2012 11:29 pm

jam nut works well but number 7 drill bit and 1/4-20 tap works to.... m7 isnt to common in the states but should work

abreen89 · Post by **abreen89** » Sun Aug 05, 2012 12:12 am

fastplastic wrote:jam nut works well but number 7 drill bit and 1/4-20 tap works to.... m7 isnt to common in the states but should work

good too know i might do this myself someday

yamahauler660r · Post by **yamahauler660r** » Sun Aug 05, 2012 10:32 am

Moparmick wrote:Anyone have any ideas on how to rethread carb to intake safely? On a spree , I have 3 different carbs and all have 1 or both bolt holes stripped, cant get air tight seal between carb and intake,having trouble getting it to run, found this as the only obvious problem, any help appreciated. Thanks, Mick

I got a m6 (stock bolt size) helicoil kit from autozone for $28. you just need a drill and a 1/4" drill bit. or send the carbs to me for $2 a hole + shipping

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honda Spree Carb to intake manifold bolt threads?

honda Spree Carb to intake manifold bolt threads?

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Re: honda Spree Carb to intake manifold bolt threads?

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Re: honda Spree Carb to intake manifold bolt threads?

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Re: honda Spree Carb to intake manifold bolt threads?

Re: honda Spree Carb to intake manifold bolt threads?

Re: honda Spree Carb to intake manifold bolt threads?

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