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The engine has two cylinders in a horizontally opposed configuration, with cooling fins on the cylinders. The single ignition system uses a coil and points. Fuel is metered by a single
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The engine was produced only until the company went out of business in the early 1990s. The company was re-formed but the engine remains out of production and unsupported for parts.
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two-seat trainer has one of its JPX PUL 425 engines started. Lazairs generally do not have electrical systems and their engines are started by
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The 425 has a redline rpm of 4600 and does not use a reduction drive. Its weight of just 38 lb (17 kg) gives the engine a high
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141:system with electric start as an option.
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321:Ultralight Aircraft Shopper's Guide
264:26 hp (19 kW) at 4600 rpm
239:Tillotson butterfly-type carburetor
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469:Two-stroke aircraft piston engines
464:Air-cooled aircraft piston engines
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208:twin-cylinder, two-stroke engine
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38:Two JPX PUL 425s mounted on a
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113:, is a French twin-cylinder,
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109:, also called simply the
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217:424 cc (25.87 cu inches)
226:38 lb (17 kg)
200:General characteristics
420:Model aircraft engines
128:Design and development
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83:until the early 1990s
16:French aircraft engine
245:premixed oil and fuel
146:power-to-weight ratio
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189:Specifications (425)
115:horizontally opposed
137:. Starting is by a
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173:Lazair Series III
121:aircraft engine.
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213:Displacement
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152:Applications
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99:recoil start
24:JPX PUL 425
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285:Hirth F-263
256:Performance
243:Oil system:
107:JPX PUL 425
458:Categories
298:References
290:Hirth F-33
251:air cooled
231:Components
222:Dry weight
135:carburetor
119:two-stroke
51:two-stroke
280:Rotax 377
194:Data from
168:Lazair SS
95:Lazair II
80:Produced
269:See also
163:Lazair 2
40:Lazair 2
411:PUL 425
396:PUL 212
373:engines
111:JPX 425
53:engine
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196:Cliche
64:France
401:D-320
386:4TX75
206:Type:
46:Type
427:T260
406:D330
391:D160
325:ISBN
105:The
443:JV6
371:JPX
74:JPX
460::
306:^
148:.
117:,
93:A
363:e
356:t
349:v
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101:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
