stripped manifold bolts ffp

Fro Diesel

creative control
Location
Kzoo
i overtightened my head pipe to the manifold and the aluminum manifold stripped. The bolt looks fine still.

Please advise.
 

Fro Diesel

creative control
Location
Kzoo
i really wanted to go ride today and NOT take the manifold off to do so. Does anyone have a 701 manifold for me?
 
Location
Haiti
wouldn't there be some issues with the flange at the top of the timesert? I have no experience with these but took a look and noticed the flange. Is the FPP gasket enough to seal around it?

Weld, redrill and retapp seem like
the best option to me...but alot more work
 

yamanube

This Is The Way
Staff member
Location
Mandalor
wouldn't there be some issues with the flange at the top of the timesert? I have no experience with these but took a look and noticed the flange. Is the FPP gasket enough to seal around it?

Weld, redrill and retapp seem like
the best option to me...but alot more work
I never really looked to close at the timecerts I had put in my manifold but if they do have a flange any shop can counterbore the hole.
 
I know it's not the best idea, but I was in a pinch and heli-coiled a manifold to a standard bolt size, fine thread of some flavor, and just bought stainless bolts at a local hardware store. I was back on the water fast.
I would have heli-coiled them back to the original threads, but I would have had to special order that particular size, and the standard was in stock, and a lot cheaper.
 

Waternut

Customizing addict
Location
Macon, GA
Helicoils work just fine compared to timeserts and are usually much more readily available. I put 3 helicoils in my FP manifold on my 750 while it was still attached to the engine and have never looked back. I just put some tape over the hole so none of the shavings could get to the engine. Just make sure you use the right drill bit and you're good to go by the end of the day.
 

Motorheads5

Livin the generation gap
Location
ketchikan alaska
Just tap it to 7/16 - 20 and you can buy s/s sockethead capscrew's easily.That's what I did to hell with those impossible to find fpp bolt's, They couldn't of used a worse pitch if they tried lol
 
my new manifold stripped the 1st time i installed the pipe. I didn't overtorque it either. I used helicoils as they were readily available locally, no issues so far. The took < 10 mins to install, and feel a lot strongner than the stock threads.
 

Waternut

Customizing addict
Location
Macon, GA
Both inserts will work very well and both will work better than stock aluminum threads. Timeserts are better when put through the same extreme conditions. However, timeserts require more effort to install than helicoils. More effort can lead to more room for error and an error in hole prep can quickly defeat the purpose of stepping up to the better inserts and actually lead to a weaker insert.

...just a thought on the matter.
 

Fro Diesel

creative control
Location
Kzoo
pretty upset i chose the only hardware store in the town and 7/16 -20 was out in my size. :grumble:
I will try again tomorrow to find bolts since the waves are lookin decent for a pm ride.
Thanks for the advise. My immediate thought was to use washers and a smaller nut and bolt set-up. :beerchug:
 
Location
Haiti
can't find a price or a decent source for timeserts online...where are these things sold?
 
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