Splitting a V90/PV engine casing
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1970 180 Rally, 1980 P150X and P200E
Joined: 22 May 2017
Posts: 229
Location: George, South Africa
Sun Sep 13, 2020 1:25 am quote
When splitting or assembling a V90 or PV engine, the flywheel side casing always gets hooked behind the input shaft gears. Does anyone have a trick or method on how to do it the easiest way?
Joined: 26 Aug 2020
Posts: 20
Location: UK
Mon Sep 14, 2020 12:36 am quote
Take the clutch out, then the christmas tree can stay in the fly side when you split the casings.
Old douglas ..smallie with polini 115..super with nasco 177
Joined: 07 Nov 2013
Posts: 623
Location: New Zealand
Mon Sep 14, 2020 5:43 pm quote
I ALWAYS have to turn the rear wheel so the gear cogs line up ( in a fashion only they know)...and ALSO manipulate turn the shaft where the clutch mounts.. at the SAME time....then it satisfyingly slides in or out perfectly

Offer up (or separate) the fly side as far as it will go...apply very slight pressure to the fly side.....and then do the double wiggle of the shafts and smile as it all meshes and goes together or apart depending
good luck

also check the locating pin way down the bottom of the cases has not moved during disassembly and preventing (mostly) re assembly....it can stop the case closing the last 2cm
Rallies Europe 2016   vespa scooterwest scooter west Motorsport Scooters   Scooter Parts Company
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