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1986 Honda Spree - head bolt stripped?

Posted: Sat May 28, 2011 5:26 pm
by nullset
Hi,

New owner here!

I have a 1986 Honda Spree I bought at a steal. The body is in great shape. The previous owner had some engine trouble and bought a new cylinder and piston.

Unfortunately, he had trouble installing the cylinder bolts. The bottom left (if you're facing the front of the scooter) bolt just spins instead of grabbing.

I'm not sure what the best fix for this is. Drill and install a helicoil? Drill and tap a slightly larger hole? I'm new to scooters but not to cars in general. Suggestions are appreciated.

Did I mention that my daily driver is a delorean? :)

--buddy

Re: 1986 Honda Spree - head bolt stripped?

Posted: Sat May 28, 2011 5:40 pm
by evilone
Helicoil

Re: 1986 Honda Spree - head bolt stripped?

Posted: Sat May 28, 2011 6:15 pm
by odinxxix
wait! lets see that delorean. do you have the flux capacitor also. just kidding with ya. but really want to see a pic of the car.

Re: 1986 Honda Spree - head bolt stripped?

Posted: Sun May 29, 2011 11:48 am
by nullset
Can someone tell me what size helicoil I need for this? I'm not familiar with how they're sized, and I don't have a set of calipers handy.

--buddy

Re: 1986 Honda Spree - head bolt stripped?

Posted: Sun May 29, 2011 9:55 pm
by martynkim
Match the bolt to the Heilcoil. easy as pie

Re: 1986 Honda Spree - head bolt stripped?

Posted: Mon May 30, 2011 10:56 pm
by Wheelman-111
Greetings:

M6 or 6mm diameter bolts. Not sure of the thread count, but M6 All-Thread stock works.

Re: 1986 Honda Spree - head bolt stripped?

Posted: Mon May 21, 2012 2:27 pm
by jokim00
Im bumpin this old thread but i just wanted to clarify that this m6 helicoil set has the correct size tool needed to make the initial thread after drilling. The picture at amazon looks big so i just wanted to make sure. I know the set comes with various pitch threads so i dont worry about that.

Well as long as the more experienced spree owners used the m6 kit to fix bad threads for the cylinder head bolts, im confident.

Re: 1986 Honda Spree - head bolt stripped?

Posted: Mon May 21, 2012 3:37 pm
by abreen89
ive used the m6 on quit a few stripped holes on my spree. You just drill 1/4" and then tap the hole, and insert the coil hardest part is getting the tab at the end off without moving a thread out of place... just take your time and follow the directions.

Re: 1986 Honda Spree - head bolt stripped?

Posted: Mon May 21, 2012 3:40 pm
by abreen89
and btw this is a good deal http://www.ebay.com/itm/M6-X-1-0-X-8-0m ... 068wt_1037 i paid 35$ at a auto shop and it didnt come with a drill bit or very many coils

Re: 1986 Honda Spree - head bolt stripped?

Posted: Mon May 21, 2012 3:40 pm
by abreen89
and btw this is a good deal http://www.ebay.com/itm/M6-X-1-0-X-8-0m ... 068wt_1037 i paid 35$ at a auto shop and it didnt come with a drill bit or very many coils

Re: 1986 Honda Spree - head bolt stripped?

Posted: Mon May 21, 2012 4:14 pm
by jokim00
abreen89 wrote:and btw this is a good deal http://www.ebay.com/itm/M6-X-1-0-X-8-0m ... 068wt_1037 i paid 35$ at a auto shop and it didnt come with a drill bit or very many coils
greetings! fellow washingtonian (:

thanks for the link. now i don't have to worry about finding the right drill bit either!! thanks a lot (:

Re: 1986 Honda Spree - head bolt stripped?

Posted: Mon May 21, 2012 11:26 pm
by abreen89
no problem i wish this set was on the market when u needed to find one.