Engine

Help and Instructions

  • Engine Help

    easy engine identification points, but beware as some parts become interchanged over the years.
    8 HP models: 13 head studs, hole for starter motor approx 51mm diameter.
    8hp 'narrow block' early model Y, width approx 135mm, cylinder bore 2.23 ins (56.6mm), fibre gear driven camshaft, two water inlet holes in block.
    8hp model Y, width approx 138mm, otherwise as above.
    8hp model (37 on) chain driven camshaft, single water inlet hole in side of block.
    10 HP models: 13 head studs, hole for starter motor approx 70mm diameter.
    10hp model C, cylinder bore 2.5 ins (63.5mm), fibre gear driven camshaft, two water inlet holes in block.
    10hp model (37 on) chain driven camshaft, single water inlet hole in side of block.
    100E model: 14 head bolts
    cylinder bore 2.5" (63.5mm).

    full details are available in our technical manuals

Subcategories

Parts

Price from: £30.10 engine set (£36.12 inc. VAT)
extra strong valve spring set (8 pieces) - approx dimensions 38.5mm tall, 28.5mm diameter, 4mm wire.
Price from: £205.30 each (£246.36 inc. VAT)
for 8/10hp, aluminium
Price from: £36.60 each (£43.92 inc. VAT)
8/10hp aluminium bracket which fits to side of engine (see fitting instructions to see illustration of item in place on engine) for allowing mounting of dynamo to side of engine (on specials etc)....
Price from: £9.65 each (£11.58 inc. VAT)
distributor drive shaft coupling, longer shaft to accommodate for the extra thickness of a aquaplane cylinder head 73mm long, 12mm diameter with drive slots top and bottom, slots measure 12mm long...
Price from: £2.65 each (£3.18 inc. VAT)
for use in 105E/123E engine, also on E93A and 100E Aquaplane head
Price from: £30.65 each (£36.78 inc. VAT)
12 volt sport coil, offered with push in HT wire connection only
Price from: £120.40 each (£144.48 inc. VAT)
aluminium cover suitable for 8/10hp & 100E. weight .640kg
Price from: £171.10 each (£205.32 inc. VAT)
aluminium cover suitable for 8/10hp & 100E with rev counter drive and camshaft fitting
Price from: £157.05 each (£188.46 inc. VAT)
new made sports camshaft. (not an old unit which has been reground). approx details. Please note that this camshaft has been hardened to Rockwell C 53 level, when fitted and running engine, a...
Price from: £18.50 each (£22.20 inc. VAT)
Oversize head inlet valve, 31mm head diameter, 4.3/8" (111.13mm) long, for tuning purposes.
Price from: £24.95 set of 8 (£29.94 inc. VAT)
sports valve spring, per engine set (8). specify 8/10hp or 100E engine. 100E are made to Terry V.S. 483 spec.
Price from: £24.95 set of 8 (£29.94 inc. VAT)
sports valve spring, per engine set (8). specify 8/10hp or 100E engine. 100E are made to Terry V.S. 483 spec.

Price from: £24.95 engine set (£29.94 inc. VAT)
sports valve spring, per engine set (8). specify 8/10hp or 100E engine. 100E are made to Terry V.S. 483 spec.

Price from: £15.10 each (£18.12 inc. VAT)
oversize 1/16" (approx 1.5mm) than standard valve.
Price from: £69.80 each (£83.76 inc. VAT)
re-manufacted piston to crankshaft connecting rod, intergrated studs with conversion to take shell bearing, includes small end bush fitted, (you fit to your pin). specification cast in GGG50 and...
Price from: £401.95 each (£482.34 inc. VAT)
Aquaplane alloy cylinder superhead for 100E engine, weight approx 3.5kg. compression ratio is approx 8 to 1.
Price from: £393.85 each (£472.62 inc. VAT)
aquaplane alloy cylinder superhead for 10hp model. weight approx 3.5kg
Price from: £30.85 pack (£37.02 inc. VAT)
steel cylinder head stud for Aquaplane alloy cylinder head. per pack of 13 pieces (engine set)
Price from: £8.10 pack (£9.72 inc. VAT)
hardened washers for alloy Aquaplane cylinder head (under bolt). packet of 14 pieces for engine.
Price from: £8.85 pack (£10.62 inc. VAT)
chemical black hardened washers for fitting under nuts on alloy Aquaplane cylinder head. packet of 13 pieces (engine set) 3/8"id, 3/4"od, 1/8" thick.
Price from: £160.85 Each (£193.02 inc. VAT)
supplied with steel insert face for clutch friction plate (as shown) or without for extra lightness. specify model 8/10hp or 100E. weights:-
8/10hp without insert - 2.60kgs
8/10hp with insert -...
Price from: £218.15 Each (£261.78 inc. VAT)
supplied with steel insert face for clutch friction plate (as shown) or without for extra lightness. specify model 8/10hp or 100E. weights:-
8/10hp without insert - 2.60kgs
8/10hp with insert -...
Price from: £212.35 Each (£254.82 inc. VAT)
supplied with steel insert face for clutch friction plate (as shown) or without for extra lightness. specify model 8/10hp or 100E. weights:-
8/10hp without insert - 2.60kgs
8/10hp with insert -...
Price from: £160.85 Each (£193.02 inc. VAT)
supplied with steel insert face for clutch friction plate (as shown) or without for extra lightness. specify model 8/10hp or 100E. weights:-
8/10hp without insert - 2.60kgs
8/10hp with insert -...
Price from: £193.20 Each (£231.84 inc. VAT)
supplied with steel insert face for clutch friction plate (as shown) or without for extra lightness. specify model 8/10hp or 100E. weights:-
8/10hp without insert - 2.60kgs
8/10hp with insert -...
Price from: £65.25 each (£78.30 inc. VAT)
head gasket for 10hp Elva over-head valve conversion head, 139mm wide, 322mm long, 1.5mm thick.
Price from: £67.45 each (£80.94 inc. VAT)
copper cylinder head gasket for higher tuned 100E engine. cut from annealed solf sheet. 152mm wide, 358mm long (overall), 0.90mm thick.
Price from: £62.35 each (£74.82 inc. VAT)
copper cylinder head gasket for higher tuned E93A engine, cut from annealed solf sheet. 138mm wide, 321mm long, 0.90mm thick.
Price from: £64.10 each (£76.92 inc. VAT)
head gasket for 100E Elva ohv conversion head. copper/non asbestos substitute/copper, 154mm wide, 362mm long (overall) 1.9mm thick.
Price from: £0.00 Each (£0.00 inc. VAT)
with dynamo fitment. specify 3" (75mm dia) or 4" (100mm dia) dynamo size. we have modified the 4" unit so that it will accept fitment of 12 volt dynamo. see fitting instructions for picture of...
Price from: £51.85 Each (£62.22 inc. VAT)
with dynamo fitment. specify 3" (75mm dia) or 4" (100mm dia) dynamo size. we have modified the 4" unit so that it will accept fitment of 12 volt dynamo. see fitting instructions for picture of...
Price from: £51.85 Each (£62.22 inc. VAT)
with dynamo fitment. specify 3" (75mm dia) or 4" (100mm dia) dynamo size. we have modified the 4" unit so that it will accept fitment of 12 volt dynamo. see fitting instructions for picture of...
Price from: £295.95 each (£355.14 inc. VAT)
cast aluminium oil cooler (as original Aquaplane pattern). 285mm wide, 230mm tall, 45mm deep, female 1/4 BSP inlet/outlet thread, mounting bracket 60mm tall with 85mm long base and 8mm bolt hole....
Price from: £97.50 each (£117.00 inc. VAT)
aquaplane alloy valve chest cover (if fitted to 100E there will be no breather)
Price from: £171.20 each (£205.44 inc. VAT)
aquaplane full oil flow alloy valve chest cover , supplied with fittings and screws (without pipe).
Price from: £175.65 each (£210.78 inc. VAT)
high volume (approx 25% greater gear drive area)
Price from: £231.50 each (£277.80 inc. VAT)
cast iron exhaust manifold for 100E engine
original Aquaplane refence number AP/1400
Price from: £231.50 each (£277.80 inc. VAT)
Cast iron exhaust manifold for 8 or 10 hp engine
original Aquaplane part reference 1400
Price from: £5.20 each (£6.24 inc. VAT)
stainless steel deep manifold nut for fitting aquaplane inlet/exhaust manifolds
Price from: £30.10 each (£36.12 inc. VAT)
10mm steel plate for DIY (self build) inlet/exhaust manufacture, offered for 100E engine or E93A engine which will also fit on to the 8HP units.
Price from: £30.10 each (£36.12 inc. VAT)
10mm steel plate for DIY (self build) inlet/exhaust manufacture, offered for 100E engine or E93A engine which will also fit on to the 8HP units.

Price from: £30.10 each (£36.12 inc. VAT)
10mm steel plate for DIY (self build) inlet/exhaust manufacture, offered for 100E engine or E93A engine which will also fit on to the 8HP units.

Price from: £114.10 each (£136.92 inc. VAT)
alloy inlet manifold for fitting twin SU carburettors, weight approx 0.69kg
Price from: £5.65 each (£6.78 inc. VAT)
steel plate to blank off fuel pump mount on engine block.
Price from: £780.80 pair (£936.96 inc. VAT)
twin HS2 1.1/4" bore carburettor assembly complete with linkages and banjo fuel unions, for fitting to our Aquaplane inlet manifold. set up for 10hp/100E, price is for a set up of two carburettor...
Price from: £2.25 Each (£2.70 inc. VAT)
hex head brass plug with flange collar, in the following sizes 1/8" BSP, 1/4" BSP, 3/8" BSP or 1/2" BSP
Price from: £2.25 Each (£2.70 inc. VAT)
hex head brass plug with flange collar, in the following sizes 1/8" BSP, 1/4" BSP, 3/8" BSP or 1/2" BSP

Price from: £2.50 Each (£3.00 inc. VAT)
hex head brass plug with flange collar, in the following sizes 1/8" BSP, 1/4" BSP, 3/8" BSP or 1/2" BSP

Price from: £4.65 each (£5.58 inc. VAT)
hex head brass plug with flange collar, in the following sizes 1/8" BSP, 1/4" BSP, 3/8" BSP or 1/2" BSP

Price from: £6.40 each (£7.68 inc. VAT)
hex head brass plug with flange collar, in the following sizes 1/8" BSP, 1/4" BSP, 3/8" BSP or 1/2" BSP

Price from: £72.75 each (£87.30 inc. VAT)
piston to crankshaft connecting shaft with conversion to take shell bearing, includes small end bush fitted (you fit to your pin). specification cast in GGG50 and heat treated for strength and...
Price from: £145.20 Each (£174.24 inc. VAT)
alloy inlet manifold for fitting twin SU carburettors, weight approx 0.69kg
Price from: £237.60 Each (£285.12 inc. VAT)
aquaplane aluminium flywheel with gear ring and steel pressure face insert for the 105E engine, can also be used on 109E, 113E, 116E & 123E.
Price from: £780.00 Each (£936.00 inc. VAT)
twin HS2 1.1/4" bore carburettor assembly complete with linkages, for fitting to our Aquaplane inlet manifold. set up for 105E, 109E, 113E, 116E, 123E etc, price is for a set up of two carburettor...
Prices shown include VAT @ 20% where applicable