Suzuki XL7 2007 Service Manual page 636

1D-296 Engine Mechanical:
2. Wrap the primary camshaft drive chain around the
large sprockets of each camshaft intermediate drive
chain idler and the crankshaft sprocket.
3. The left camshaft intermediate drive chain idler
timing mark (1) will align with a timing camshaft drive
chain link (2).
4. The right camshaft intermediate drive chain idler
timing mark (2) will align with a timing camshaft drive
chain link (1).
5. The crankshaft sprocket timing mark (2) will align
with a timing camshaft drive chain link (1).