60 MB
LR-340/2 LR-399/2 LR-440/2 LS-600/2 L-99 L-230 L-300
This is a OEM JLO Snowmobile Engine Service Manual
It covers Single and Twin Engines

It covers the following Engines

Single Cylinder Engine
L-99 (IF-100-1)
L-230 (IF-250-1). L-227
L-295 (IF-295-1). R-295 (IF-295-2)
L-297, L-300
L-340 (IF-340-2)

Twin Cylinder
LR-340/2 (2F-340-1)
LR-399/2 (2F-400-1)
LR-440/2 (2F-440-2)
LS-600/2 (2F-QOO-1)


Large troubleshooting section, overhauls, maintenance, tools, specs, pictures and more


The Manual is Bookmarked & Searchable

These were used in many vintage snowmobile such as: Massey, Arctic Cat, Rupp, Scorpion and others

Includes Parts Lists for: L-297 and L-300