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Old 01-18-2015, 08:52 PM   #1
didjidude
Getting Wild
Yamaha
 
Join Date: Oct 2009
Location: Nevada City, Ca
Posts: 146
Default G2 motor mount torque

I'm going to be replacing the motor mounts on my G2 as part of a clone engine upgrade. I was wondering if anyone out there knows if they have a torque spec and if so what it is. Thank you
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Old 01-19-2015, 06:09 AM   #2
rib33024
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Join Date: Apr 2009
Location: FT Lauderdale FL.
Posts: 16,416
Default Re: G2 motor mount torque

http://www.buggiesgonewild.com/gas-y...-g9-specs.html



Torque specs Threads


http://www.buggiesgonewild.com/searc...RID%3A11&hl=en



Specs for G1 Gas Engine:
Std. Bore 68.00mm
Piston Clearance 0.03 ~ 0.035 mm
Ring End Gap 0.2 ~ 0.4 mm
Flywheel Nut 52.6 ft. lbs.
Clutch Bolt 43 ft. lbs.
Crankcase Bolts 4.7 ft. lbs.
Head Bolts (Initial) 14.5 ft. lbs. (Final) 18 ft. lbs.

Specs for G2,G8 & G9 Gas Engine:
Std. Bore 73.00mm
Piston Clearance 0.03 ~ 0.05 mm
Ring End Gap 0.2 ~ 0.4 mm
Intake Valve (Cold): 0.1mm
ExhaustValve(Cold): 0.1mm
Connecting Rod Cap 29 ft. lbs.
Flywheel Nut 54 ft. lbs.
Clutch Bolt 54 ft. lbs.
Crankcase Bolts 17 ft. lbs.
Head Bolts 20 ft. lbs.
Oil Drain Plug 22 ft. lbs.

Specs for G14 thru G21 Gas Engine:
Std. Bore 78.00mm
Piston Clearance .03~.05mm
Ring End Gap 0.2 ~ 0.4 mm
Intake Valve (Cold): 0.1mm
ExhaustValve(Cold): 0.1mm
Connecting Rod Cap 14 ft-lbs
Flywheel Nut 54 ft-lbs
Clutch Bolt 75 ft-lbs
Crankcase(8mm) 19 ft-lbs(10mm) 27 ft-lbs
Cylinder Head 36 ft-lbs
Oil Drain Plug 22 ft-lbs

Specs for G22 Gas Engine:
Std. Bore85.00mm
Piston Clearance
Ring End Gap
Intake Valve (Cold): 0.1mm
ExhaustValve(Cold): 0.1mm
Connecting Rod Cap
Flywheel Nut
Clutch Bolt
Crankcase Bolts
Head Bolts
Oil Drain Plug
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Old 01-20-2015, 07:46 PM   #3
sho305
Vegas modded 420
 
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Yamaha
 
Join Date: Jun 2009
Location: West MI
Posts: 15,445
Default Re: G2 motor mount torque

Tight? If in question put some blue loctite on it and don't tighten it till it breaks.

I still have the original mounts in my G9 with a clone on them. I did break a newer tension cable so I made one out of a bolt and little plate so its solid bolt now that can't break. It seems to work fine. Seems to work like stock until I push the gas down past 1/3 or so then the tires spin and other strange things. You will hate it.....
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