The intake manifold has small cracks starting in the outer shell

O.E.M Part Number 29U-13586-01-00

Make	Model	Year	Submodel
Yamaha	Timberwolf 250	1992	All
Yamaha	Timberwolf 250	1993	All
Yamaha	Timberwolf 250	1994	All
Yamaha	Timberwolf 250	1995	All
Yamaha	Timberwolf 250	1996	All
Yamaha	Timberwolf 250	1997	All
Yamaha	Timberwolf 250	1998	All
Yamaha	Timberwolf 250	1999	All
Yamaha	Timberwolf 250	2000	All
Yamaha	Moto 4	1986	All
Yamaha	Moto 4	1987	All
Yamaha	Moto 4	1988	All
Yamaha	Moto 4	1989	All
Yamaha	Moto 4	1990	All
Yamaha	Moto 4	1991	All
Yamaha	Tri Moto 225	1983	All
Yamaha	Tri Moto 225	1984	All
Yamaha	Tri Moto 225	1985	All
Yamaha	Tri Moto 225	1986	All