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Saving a '81 KZ750-E

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Saving a '81 KZ750-E 17 Sep 2020 18:33 #835246

  • Skidmark
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I finally got the last of the o-rings and seals that I need ordered. I am relatively confident that I have all of the gaskets, seals, and o-rings either here or on the way now. I even picked up a tube of Kawabond 5 gasket sealer. I should be able to get the bottom end done and into the frame after this latest order gets here. :woohoo:
Retired gearhead
'81 KZ-750 E2
'87 Suzuki Savage 650 Street Tracker

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Saving a '81 KZ750-E 17 Sep 2020 20:06 #835251

  • Mikaw
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Keep chipping away. Looking forward to seeing the completed engine.
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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Saving a '81 KZ750-E 17 Sep 2020 21:46 #835253

  • Skidmark
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One of the things I need to start the top end (when I get there!) Is ring compressors. Not going to attempt hose clamps... just sayin'! Something I need to start thinking about.
Retired gearhead
'81 KZ-750 E2
'87 Suzuki Savage 650 Street Tracker

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Saving a '81 KZ750-E 17 Sep 2020 22:49 #835254

  • M_a_t_t
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You can rent them from your LAPS if you don't want to buy them.
83 KZ1100A (shaft)
17 Versys X 300 abs
81 kz650h1
81 kz750e2
90 Honda CBR600F (brother's)

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Saving a '81 KZ750-E 18 Sep 2020 08:01 #835266

  • Skidmark
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A man cannot have too many tools... B)
Retired gearhead
'81 KZ-750 E2
'87 Suzuki Savage 650 Street Tracker

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Saving a '81 KZ750-E 20 Sep 2020 17:24 #835434

  • Skidmark
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I got the bottom end back together.
Retired gearhead
'81 KZ-750 E2
'87 Suzuki Savage 650 Street Tracker
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Saving a '81 KZ750-E 20 Sep 2020 17:34 #835435

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The 6 mm lower case bolts should be torqued to 87 in/lb, according to the shop manual. I verified the torque setting several times, but my torque wrench isn't clicking. I am at a tension that I do not feel comfortable going beyond, for fear of damaging case threads. It may be time for a new torque wrench. Cheaper than messing up the case threads!
Retired gearhead
'81 KZ-750 E2
'87 Suzuki Savage 650 Street Tracker

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Saving a '81 KZ750-E 20 Sep 2020 18:45 #835441

  • KZJOE900
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One hundred percent agree with you. Nothing will ruin your day more than a stripping a bolt. Your patience will pay off. Even 87 in/lb seems high for a 6 mm. The 6 mm bolts for my 900 take 69 in/lb. What shop manual are you using? I would only trust the factory service manual. I have run into some wrong torque specs with my Clymer shop manual. Would have stripped some cam bolts if I would have used the recommendation in the Clymer on my bike.
Current project 76 KZ900 (This was a Vetter model)
76 KZ900
81 XJ550H SECA (Current Project)
82 XJ550R SECA
Past:
86 FJ1200
74 Z1900
72 CB450

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Saving a '81 KZ750-E 20 Sep 2020 19:41 #835445

  • Skidmark
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I am using the factory shop manual. But my gut is telling me to stop.
Retired gearhead
'81 KZ-750 E2
'87 Suzuki Savage 650 Street Tracker

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Saving a '81 KZ750-E 20 Sep 2020 20:00 #835447

  • Nessism
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You're gut is right. Allow your judgement to override the stupid wrench. Way too many threads are pulled out from guys blindly following some torque value in the manual when it's not critical.

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Saving a '81 KZ750-E 20 Sep 2020 20:24 #835450

  • Mikaw
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FSM states a 6mm bolt should have 54 to 78 Inch pounds
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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Saving a '81 KZ750-E 20 Sep 2020 22:30 #835457

  • Skidmark
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This is what my FSM shows...

Retired gearhead
'81 KZ-750 E2
'87 Suzuki Savage 650 Street Tracker
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