Ski-Doo Free Airs An Unofficial History - Spec Page Ver 1.2 6/97              Home

YEAR	Model Name	Model No	Engine Type	Cylinders	Bore	Stroke	Displacement	C/R (UNC)	hp	Carburation	Induction	Track	Track Width	Track Length	Length	Width	Height	Ski Stance	Weight	Hood	Accent	Belly Pan	Tunnel	Ski
					mm	mm	cc					Type	in	In	in	in	in	in	lb	Colour	Striping	Colour	Colour	Colour
1970	Blizzard 292	7051	292	1	75	66	291.6	N/A	28	1xHD	Piston-Port	Rubber	15	114	98	30	N/A	N/A	285	Yellow	Black	Yellow	Yellow	Yellow
1970	Blizzard 340	7053	340	1	78	70	334.5	N/A	32	1xHD	Piston-Port	Rubber	15	114	98	30	N/A	N/A	285	Yellow	Black	Yellow	Yellow	Yellow
1970	Blizzard 440	7060	436	2	67	61	430.1	N/A	45	2xHR	Piston-Port	Rubber	18	114	98	34	N/A	N/A	365	Yellow	Black	Black	Black	Yellow
1970	Blizzard 640	7062	636	2	76	70	635.1	N/A	64	2xHD	Piston-Port	Rubber	18	114	98	34	N/A	N/A	375	Yellow	Black	Black	Black	Yellow
1970	Blizzard 776	7064	776	2	82	73	771.0	N/A	82	2XHD	Piston-Port	Rubber	18	114	98	34	N/A	N/A	375	Yellow	Black	Black	Black	Yellow
1971	Blizzard 291	7100	291	1	75	66	291.6	N/A	31	1xHD	Piston-Port	Cleated	15	114	98	30.6	N/A	24	328	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 246	7101	246	1	69	66	246.8	N/A	29	1xHD	Piston-Port	Cleated	15	114	88.5	29.5	N/A	23	246	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 336	7102	336	1	78.5	70	338.8	N/A	36	1xHD	Piston-Port	Cleated	15	114	98	30.6	N/A	24	328	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 397	7103	397	2	64.5	61	398.6	N/A	42	2xHD	Piston-Port	Cleated	15	114	98	30.6	N/A	24	351	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 293	7104	293	?	?	?	?	N/A			Piston-Port	Cleated	15	114	98	30.6	N/A	24	328	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 437	7105	437	2	67.5	61	436.6	N/A	45	2xHD	Piston-Port	Cleated	15	114	98	30.6	N/A	24	351	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 339	7106	339	?	?	?	?	N/A			Piston-Port	Cleated	15	114	98	30.6	N/A	24	351	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 645	7107	645	3	67	61	645.2	N/A	71	2xHD	Piston-Port	Cleated	16.5	114	98	34	N/A	27	420	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 797	7109	797	3	74.5	61	797.7	N/A	88	3xHD	Piston-Port	Cleated	16.5	114	98	34	N/A	27	420	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 291	7150	291	1	75	66	291.6	N/A	31	1xHD	Piston-Port	Rubber	15	114	98	30.6	N/A	24	328	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 246	7151	246	1	69	66	246.8	N/A	29	1xHD	Piston-Port	Rubber	15	114	88.5	29.5	N/A	23	246	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 336	7152	336	1	78.5	70	338.8	N/A	36	1xHD	Piston-Port	Rubber	15	114	98	30.6	N/A	24	328	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 397	7153	397	2	64.5	61	398.6	N/A	42	2xHD	Piston-Port	Rubber	15	114	98	30.6	N/A	24	351	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 293	7154	293	?	?	?	?	N/A			Piston-Port	Rubber	15	114	98	30.6	N/A	24	328	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 437	7155	437	2	67.5	61	436.6	N/A	45	2xHD	Piston-Port	Rubber	15	114	98	30.6	N/A	24	351	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 399	7156	399	?	?	?	?	N/A			Piston-Port	Rubber	15	114	98	30.6	N/A	24	351	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 645	7157	645	3	67	61	645.2	N/A	71	3xHD	Piston-Port	Rubber	16.5	114	98	34	N/A	27	420	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 776	7158	776	2	82	73	771.0	N/A		2xHD	Piston-Port	Cleated	16.5	114	98	34	N/A	27	420	Yellow	Black + Checker	Black	Black	Yellow
1971	Blizzard 797	7109	797	3	74.5	61	797.7	N/A	88	3xHD	Piston-Port	Rubber	16.5	114	98	34	N/A	27	420	Yellow	Black + Checker	Black	Black	Yellow
1972	T'NT 400 FA	2414	398	2	64.5	61	398.6	N/A	40	2xHD	Piston-Port	Rubber	15	114	99	30 5/8	N/A	27	410	Yellow	Black and White	Black	Black	Chrome
1972	Blizzard 292	N/A	293	3	50	50	294.5	N/A	42	3xHR	Piston-Port	Cleated	15	120	102	36	N/A	29.75	390	White	Yellow and Black	Black	Black	Yellow
1972	Blizzard 340	2502	340	3	53.3	50	334.7	N/A	48	3xHR	Piston-Port	Cleated	15	120	102	36	N/A	29.75	390	White	Yellow and Black	Black	Black	Yellow
1972	Blizzard 395	2503	395	2	64.5	61	398.6	N/A	60	2xHD	Rotary Valve	Cleated	15	120	102	36	N/A	29.75	380	White	Yellow and Black	Black	Black	Yellow
1972	Blizzard 438	2504	438	2	67.5	61	436.6	N/A	67	2xHD	Rotary Valve	Cleated	15	120	102	36	N/A	29.75	380	White	Yellow and Black	Black	Black	Yellow
1972	Blizzard 645	2505	645	3	67	61	645.2	N/A	85	3xHD	Piston-Port	Cleated	15	120	102	36	N/A	29.75	415	White	Yellow and Black	Black	Black	Yellow
1972	Blizzard 797	2506	797	3	74.5	61	797.7	N/A	102	3xHD	Piston-Port	Cleated	15	120	102	36	N/A	29.75	415	White	Yellow and Black	Black	Black	Yellow
1973	T'NT 340 FA	3511	346	2	59.5	61	339.2	N/A	45	2xHR	Piston-Port	Rubber	15	114	99.25	36	N/A	29.8	385	White	Yellow, Orange, Black	Black	Alum.	Black
1973	T'NT 400 FA	3512	396	2	64.5	61	398.6	N/A	50	2xHD	Piston-Port	Rubber	15	114	99.25	36	N/A	29.8	385	White	Yellow, Orange, Black	Black	Alum.	Black
1973	T'NT 340 SS FA	3516	346	2	59.5	61	339.2	N/A	?	2xHR	Piston-Port	Rubber	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1973	T'NT 400 SS FA	3517	396	2	64.5	61	398.6	N/A	?	2xHD	Piston-Port	Rubber	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 298 GR	3501	298	2	?	?	?	N/A	?	?	Rotary Valve	Rubber	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 345 GR	3502	345	2	?	?	?	N/A	?	?	Rotary Valve	Rubber	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 441 GR	3503	441	2	?	?	?	N/A	?	?	Rotary Valve	Rubber	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 645 GR	3504	645	3	67	61	645.2	N/A	?	?	Piston-Port	Rubber	15	120	102	36	N/A	29.75		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 797 GR	3505	797	3	74.5	61	797.7	N/A	?	?	Piston-Port	Rubber	15	120	102	36	N/A	29.75		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 298	3521	298	2	?	?	?	N/A	?	?	Rotary Valve	Cleated	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 345	3522	345	2	?	?	?	N/A	?	?	Rotary Valve	Cleated	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 441	3523	441	2	?	?	?	N/A	?	?	Rotary Valve	Cleated	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 645	3524	645	3	67	61	645.2	N/A	?	?	Piston-Port	Cleated	15	120	102	36	N/A	29.75		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 797	3525	797	3	74.5	61	797.7	N/A	?	?	Piston-Port	Cleated	15	120	102	36	N/A	29.75		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 298	3531	298	2	?	?	?	N/A	?	?	Rotary Valve	Cleated	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 345	3532	345	2	?	?	?	N/A	?	?	Rotary Valve	Cleated	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1973	Blizzard 441	3533	441	2	?	?	?	N/A	?	?	Rotary Valve	Cleated	15	114	99.25	36	N/A	29.8		White	Yellow, Orange, Black	Black	Alum.	Black
1974	T'NT 340 FA	3414	346	2	59.5	61	339.2	N/A	45	2xHR	Piston-Port	Rubber	15	114	102.5	36	N/A	29.8	385	Black	White, Black, Orange	Black	Alum.	Black
1974	T'NT 400 FA	3415	396	2	64.5	61	398.6	N/A	50	2XHD	Piston-Port	Rubber	15	114	102.5	36	N/A	29.8	388	Black	White, Black, Orange	Black	Alum.	Black
1974	T'NT 440 FA	3416	436	2	67.5	61	436.6	N/A	55	2XHRM	Piston-Port	Rubber	15	114	102.5	36	N/A	29.8	391	Black	White, Black, Orange	Black	Alum.	Black
1975	T'NT 340 FA	3426	346	2	59.5	61	339.2	N/A			Piston-Port	Rubber	15	114	102.5	36	N/A	29.8		Black	Orange, Yellow	Black	Alum.	Black
1975	T'NT 440 FA	3427	436	2	64.5	61	398.6	N/A			Piston-Port	Rubber	15	114	102.5	36	N/A	29.8		Black	Orange, Yellow	Black	Alum.	Black
1975	T'NT 245 RV	3554	245	2	54	54	247.3	N/A	43	2XVM34	Rotary Valve	Cleated	15	105	102	41.75	N/A	34	320	Black	Yellow, Orange Nose	Black	Alum.	Black
1976	T'NT 250 RV	3432	245	2	54	54	247.3	13:1	43	2xVM32	Rotary Valve	Rubber	15	114	107	41.75	33	34	340	Yellow	Black	Black	Alum.	Black
1976	T'NT 340 RV	3433	345	2	63	54	336.7	12.5:1	48	2xVM38	Rotary Valve	Rubber	15	114	107	41.75	33	34	345	Yellow	Black	Black	Alum.	Black
1977	T'NT 340 FA	3439	?	2	59.5	61	339.2	11.5:1	N/A	1xVM34	Piston Port	Rubber	16.5	114	100	36.25	38.75	28	400	Yellow	Black, Orange	Black	Black	Black
1977	T'NT 440 FA	3440		2	67.5	61	436.6	11.5:1	N/A	1xVM34	Piston Port	Rubber	16.5	114	100	36.25	38.75	28	405	Yellow	Black, Orange	Black	Black	Black
1977	RV 340	3441	345	2	63	54	336.7	12.5:1	N/A	2xVM34	Rotary Valve	Rubber	15	114	107	41.75	33	34	345	Yellow	Black	Black	Alum.	Black
1978	T'NT 340 FA	3456	?	2	59.5	61	339.2	11.5:1	N/A	1xVM34	Piston Port	Rubber	16.5	114	100	36.25	38.75	28	400	Yellow	Black, Orange	Black	Black	Black
1978	RV 340	3460	345	2	63	54	336.7	12.5:1	N/A	2xVM34	Rotary Valve	Rubber	15	114	107	41.75	33	34	345	Yellow	Black	Black	Alum.	Black
1977	Cross Country 340		345	2	63	54	336.7	N/A	45	2xVM35	Rotary Valve	Rubber	15	114	107	41.75	33	34	N/A	Yellow	Black	Black	Alum.	Black