Hi all,
Was changing my engine oil and when torquing the drain plug with the torque wrench (27 ft-lb) the threads on the sump side stripped out. I've ordered the Time-sert to make a new and more lasting repair, however as I'm waiting for the equipment to arrive I've made a temporary fix to allow me to keep riding. I saw that the stripped hole still had good threads at the back end that never made contact with the original plug/bolt. My temporary fix was to obtain a longer bolt (2 inch in this case) with the M14-1.5 thread and cut this bolt down to be slightly longer then the original oil bolt to engage these never used threads. So my question is, I have about 3-4 thread engagement (including a new washer) tightened up (without a torque wrench), there are no leaks with the engine running for a few minutes. There shouldn't be any great deal of pressure in the sump, are there any concerns with my temporary 'fix'?
Oil drain plug thread engagement?
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- flyin900
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Re: Oil drain plug thread engagement?
There should be no problem but I would keep an eye on it for any leaks.
FYI the torque spec is pretty high for both the oil drain plug and the oil filter bolt and I have longs since given those spec's a pass for the reason you have encountered.
I feel 15 ft lbs is more than enough to keep the two bolts snug and not create any issues with stripping t
FYI the torque spec is pretty high for both the oil drain plug and the oil filter bolt and I have longs since given those spec's a pass for the reason you have encountered.
I feel 15 ft lbs is more than enough to keep the two bolts snug and not create any issues with stripping t
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1966 CL77 - Honda 305cc - Dual purpose - "Gentleman's Scrambler" was a period moniker.
1967 CL175K0 - Low production number with #802 engine serial- winter 2019/2020 full restoration.
1972 CB350F - Baby Four with low mileage - Cosmetic refresh to the next level 2021/2022.
1978 CB550K - Very original bike with only 7499 Km. from new - light cleanup and refresh done.
1983 CB1100F - Canadian model - DOHC Supersport in pristine low kilometre condition from new.
1984 GL1200 - Standard model in showroom condition - two owner bike from new.
1984 CX650E - Restored summer 2017 - a rare Eurosport model - excellent one owner bike.
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Re: Oil drain plug thread engagement?
The auto parts stores sell rubber plugs to use in stripped drain plugs. I've had one on my Hyundai for several years with no problems.
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John
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Don't fix it 'til it's broke...
The person with the most toys wins!
If it has wheels or a skirt you can't afford it.
Amateur Radio Station WW9L
71 CL350 with Bingham side car
2021 HD Triglide
2008 HD Dyna Low Rider
83 KZ1100L1 Son totaled it
83 KZ550LTD Shaft sold
Previous bikes: 84 GL1200 STD, 83 KZ550LTD, 83 CB1000, 78 CB400A, 82 CB900F, 79 CB750K, 2001 GL1800, 2000 Dyna Super Glide, 1972 CB350 K4, 1985 GL1200A, 1997 1200 Sportster, 84 GL1200I, 82 Honda CM400E, 81 Suzuki GS650L, 72 Triumph Bonneville 750, 72 Honda CB350, 66(?) Honda 305 Scrambler, 6? Yamaha yz250, 62 650 Matchless (Norton-Villers).
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Re: Oil drain plug thread engagement?
If you have a good crush washer you don't need anywhere near that much torque ....
I go finger tight and then maybe a 1/4 turn with a wrench ....
Gord (one of the few places Fat Rat didn't leak) Jones
I go finger tight and then maybe a 1/4 turn with a wrench ....
Gord (one of the few places Fat Rat didn't leak) Jones
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‘14 KLR650 ... not a rat ... yet
‘84 GL1200i ‘R2B6' (Rat to Be 6, the last, adopted by twowings)
My Original 'RAT' was a hybrid '82 CB900/1100F
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Re: Oil drain plug thread engagement?
+1 on this...RAT wrote:If you have a good crush washer you don't need anywhere near that much torque ....
I go finger tight and then maybe a 1/4 turn with a wrench ....
Gord (one of the few places Fat Rat didn't leak) Jones
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"He that is good with a hammer tends to think everything is a nail" - Abraham Maslow
"If you can't take the time to do it right the first time, how are you ever going to find the time to do it over?" -Unknown
Current Rides:
'Grumpy' - '81 Standard, now fully dressed.
'Layla' - '81 Standard w/dealer installed fairing and Hondaline bags.
'Scarlett' '76 'Survivor' nekkid as a j-bird!
Under Construction:
The 'Jalopy' '78-'79 Mash-up
'Quikie' '81 gl1100I back on the lift, project with the step-son!
In The Shed:
'81 gl1100I barn find aka "Josie, the farmer's daughter." (almost comatose build)
'77 gl1000, roller parts bike.
'82 gl1100I, 'Old Crusty' titled roller parts bike (free!)
'82 gl1100I, My first 'Wing, and an expensive lesson!
New2U Bike? Read Me.
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Re: Oil drain plug thread engagement?
Thanks guys for your input! I now feel a better riding the bike. I was worried about loosing the plug and having oil spew out on the road, coating the rear tire and making things interesting.
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Re: Oil drain plug thread engagement?
+2......the washer does the work. Use a new one when you change oilRAT wrote:If you have a good crush washer you don't need anywhere near that much torque ....
I go finger tight and then maybe a 1/4 turn with a wrench ....
Gord (one of the few places Fat Rat didn't leak) Jones
1978 custom GL1000
1977 custom with 1200 engine
1985 gl1200
1977 custom with 1200 engine
1985 gl1200
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