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I have a 74 chrysler sport fury trihull with a '98 100hp yammy and am having a problem keeping the bow up at top speeds. will a hydrofoil help?
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Customer Questions & Answers for
Comprop™ 4-Blade Performance Composite Propellers

Used by many OEMs Durable composite material resists dings, folds and blunting Recommended for up to 5.0L V8 or 225 hp outboard/3,000-lb. boats These 4-blade props are used as original equipment by many boat manufacturers. Durable--composite material resists dings, folds and blunting. Recommended as a primary prop up to 5.OL V8 or 225hp outboard/3,000-lb. boats. If you have any questions, try www.comprop.com. FAQ and technical illustrations for most applications are available. A. 15 tooth; 4.5" hubMercruiser Sterndrives'65 thru: all hpMercury & Mariner'78 thru: 135-150*-175-200-225hp (*4.5" hub)'91 thru: XRi150-175hpYamaha O/B & Sterndrives'78 thru: 150-ProV150-200-225hp'78-'79: 175 hp'90 thru: All hp sterndrivesRemove rear splined spacerB. 15 tooth; 4" hubEvinrude & Johnson'03 thru: 90-115-140hp 4 strokeNissan/Tohatsu'87 thru: 90 thru 140hp Remove rear spacer for proper fitMercury & Mariner'65 thru:70-75-80-90-110-115-125-135-140-150hp inline 4/6'87 thru: 70-80-90hp'87 thru: 75-90hp 3 cyl'88 thru: XR4-XR6 150*hp (*4" hub only)'88 thru: Magnum II, III, 150*hp (*4" hub only)'95 thru: 60 hpThrust hub 13191A1 or 12-835467-1Force/Chrysler'95 thru: 90-120-150hp'99 thru: 75hpSuzuki'01 thru: DF90-DF115-DF140 4 strokeYamaha O/B & Sterndrives'84 thru: T50-60-70-85-90-115-130-140hp'94 thru: 75hp'99 thru: FS80-FS100-FS115 4 strokeHonda'95 thru: 75 thru 130hpC. 13 tooth; 3.25" hubEvinrude & Johnson'99 thru: 40-50hp 4 strokeAsk Comprop for required spacerNissan/Tohatsu'84 thru: 35B-40hp'92 thru: 40D-50Dhp ('91 50D only)Mercury & Mariner'70-'76: 400-402-500/40-50hp'73-'83: 70hp'73-'94: 60hp'73 thru: 35-40-45-48-50-65hp'94 thru: 30hpThrust hub 73345A1Force/Chrysler'91-'95: 70hp'95-'98: 40-50hp'96-'98: 75hpSuzuki'83 thru: 40-50-55-60-65hp'87-'90: 35hp'99 thru: DF40-DF50 4-strokeAsk Comprop for required spacerYamaha O/B & Sterndrives'83 thru: 40-48-50-(not T50)-55-60hp'95 thru: 40-50hp 4 strokeHonda'91 thru: 35 thru 50hp Remove rear splined spacerD. 10 tooth; 3" hubMercury & Mariner'80 thru: 18-20-25hp (Merc)'85 thru: 20-25hp (Mariner)'86 thru: 20hp (Merc)'99 thru: 9.9-15hp (Big Foot 4 Stroke)Force/Chrysler'95-'98: 25hp 3 cylE. 10 tooth; 3" hubMercury & Mariner'80-'84: 25hp'76-'79: 28hp'79-'90: 30hpYamaha O/B & Sterndrives'79 thru: 25-28-30-C30hp'01 thru: 25-30hp 4 strokeF. 15 tooth; 4.5" hubEvinrude & Johnson'76 thru: 150-155c-175-185-200-225 hp-2.6L V6; 3.6L V8'84 thru: 100c V4'85 thru: 120-140hp'82 thru: 2.0-2.5-2.6-2.7-3.0L V6 Sea Drive; 3.6-4.0L V8 Sea Drive'95 thru: 90-115-130 V4OMC Cobra Sterndrives'78-'93: 120 thru 275hp 4/6/8 cyl'78-'93: 3.0 thru 7.5L 4/V6/V8Suzuki'86 thru: V6-150-175-200 hpAsk for Comprop Suzuki spacer 4.5" hubG. 13 tooth; 4" hubEvinrude & Johnson'68 thru: 45-50*-55*-60*-70-75hp/3 cyl (*4" hub)'69 thru: 80-85-88-90-100-110-115-120-125-135-140hp V4'83 thru: 1.6-1.8L V4 Sea DriveOMC Cobra Sterndrives'78 thru: 120 thru 140 hp 4 cyl 2.3-3.0L 4 cyl'82 thru: 1.6L V4'86 thru: 1.8L V4Suzuki'78 thru: 75-85-90-100-115-140hp V4H. 15 tooth; 4" hubForce/Chrysler'77-'89: 70-140hp'88-'89: 85*-125*hp'88 thru: L-Drive, all hpI. 14 tooth; 2.75" hubEvinrude & Johnson'76 thru: 20-25-30-35 hpDimensions in chart below are diameter x pitch*One-piece lower unit only - may require Force rear spacer 523282 and exhaust mount F74116. '88/'89 need to remove zinc anode for proper fit.
Customer Questions & Answers:
21 Questions
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29 Answers
Overall Rating:
4.226 out of 5
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Product Details

Questions & Answers for Comprop Comprop™ 4-Blade Performance Composite Propellers

Question

Does the prop come with all necesssary hardware to install?

Spacers, bearings, washer, nut and cotter pin?
asked 3 years, 5 months ago
by
MDMOCK
 - North Dakota
on Comprop™ 4-Blade Performance Composite Propellers
3 answers
Answers
answer 1
No this comes as a prop only.You have to use your old hardware.
answered 1 year, 11 months ago
by
1bagman
 - Peoria,IL
answer 2
No, the prop/hub are one piece. I had to remove my existing splined spacers (front and back) and used my existing flat washer, castle nut and cotter pin.
answered 3 years, 4 months ago
by
skinnywaterjunkie
 - Sebring, Florida
answer 3
THIS HUB IN PROP REQUIRES NO ADAPTER !

IF YOUR USING A PROP WITH INTERCHANGEABLE HUB ADAPTER NOW , YOU MAY NEED A THRUST WASHER !
Top 250 Contributor
Top 250 Contributor
answered 3 years, 4 months ago
by
ZEAKROD
 - Sothern WV & OBX ,NC
Question

Best Propeller for 90 HP MERC 4-Stroke

What Propeller would be best for a 90 horse Mercury 4-stroke, and would you
reccomend a stainless prop instead?
asked 5 years ago
by
Bilwool
 - Joplin,Mo
on Comprop™ 4-Blade Performance Composite Propellers
2 answers
Answers
answer 1
STAINLESS WERE IT'S UNLIKELY YOU WILL STRIKE ANY THING !
RE:
1. DEEP LAKES WITH LITTLE OR NO FLOATING DEBRIS...

2. SANDY BOTTOM SOUND SIDE

COMPOSITE WHEN IT'S LIKELY YOU WILL STRIKE BOTTOM OR TRASH !
Top 250 Contributor
Top 250 Contributor
answered 3 years, 4 months ago
by
ZEAKROD
 - Sothern WV & OBX ,NC
answer 2
no cuase the 90 hp doesn't have power , if you had it on a 150 hp or something like that it would be good but for a 90hp just a shinny piece that is over priced .
answered 4 years, 2 months ago
by
jon4425
 - flordia
Question

Will these props work on a 75hp Optimax?

asked 4 years, 10 months ago
by
Baden
on Comprop™ 4-Blade Performance Composite Propellers
2 answers
Answers
answer 1
YES !

When switching from 3 to 4-blades, A decrease in pitch is required !

go one size smaller than you have now !
Top 250 Contributor
Top 250 Contributor
answered 3 years, 10 months ago
by
ZEAKROD
 - Sothern WV & OBX ,NC
answer 2
Yes it will but you are limited to the pitch sizes. Note: go under pitch if converting from a 3 blade to a 4 blade
answered 4 years, 3 months ago
by
Eroc1
 - Charleston SC
Question

which propeller is best for A 150 hp johnson ficht

asked 4 years, 6 months ago
by
jimmy43
on Comprop™ 4-Blade Performance Composite Propellers
2 answers
Answers
answer 1
When switching from 3 to 4-blades, A decrease in pitch is required !

go one size smaller than you have now !
Top 250 Contributor
Top 250 Contributor
answered 3 years, 10 months ago
by
ZEAKROD
 - Sothern WV & OBX ,NC
answer 2
It depends on quite a few things. What do you want out of the prop? Speed, acceleration, or an average of both? what kind of boat is the motor on? Deep vees and pontoons use lower pitch props. Semi vees use a mid range to upper pitch prop. The best thing to consider is this . Find out what RPM range your engine is optimal at. And select a prop to fit this range. A good start is ask a local marine dealership what pitch they put on a boat similar to yours and start there....If your looking for stainless or aluminum results that soley depends on you. Speed usualy = stainless. However damage is more costly using a stainless. I prefer aluminum on everything except offshore or bass boats
answered 4 years, 3 months ago
by
Eroc1
 - Charleston SC
Question

best prop for mercury 115 4 stroke

asked 3 years, 2 months ago
by
cathjim
on Comprop™ 4-Blade Performance Composite Propellers
2 answers
Answers
answer 1
depends on what you are doing with the motor. what size boat the motor is on and what you want to do with it ie, fish, ski, joy ride. in most cases, you would not want to use smaller than a 15 pitch or higher than a 19 pitch. the smaller the pitch the more load and torque you can have but less speed. The higher the pitch, you get more speed, but less pulling ability.
answered 3 years, 2 months ago
by
DoubleJJ
 - Deep East Texas
answer 2
You will need to know the year, diamter and pitch to find the best prop.
Staff Answer
answered 3 years, 2 months ago
by
BPSResource7
 - springfield, mo
Question

my old prop is 48 832832 A45 21p

4.3 liter Mercury I.O. which composite prop would work best?
asked 3 years, 1 month ago
by
bigtim1968
on Comprop™ 4-Blade Performance Composite Propellers
2 answers
Answers
answer 1
19 pitch
Top 250 Contributor
Top 250 Contributor
answered 2 years, 6 months ago
by
ZEAKROD
 - Sothern WV & OBX ,NC
answer 2
To find the correct prop you will need to know the HP, Year, and Diameter. The pitch would be 21.
Staff Answer
answered 3 years, 1 month ago
by
BPSResource7
 - springfield, mo
Question

what comp prop do i need for a 87 maraner 50 hp motor

asked 3 years ago
by
kmbulldog
on Comprop™ 4-Blade Performance Composite Propellers
2 answers
Answers
answer 1
whatever the chart says
Top 250 Contributor
Top 250 Contributor
answered 2 years, 6 months ago
by
ZEAKROD
 - Sothern WV & OBX ,NC
answer 2
For a 1987 50 HP Mariner try item number 38-560-968-00 or 38-546-584-00.
Also, you will need to diamter and pitch to find the best prop
Staff Answer
answered 3 years ago
by
BPSResource7
 - springfield, mo
Question

looking for a prop for 2003 mercury 8hp

asked 5 years, 5 months ago
by
samgace
 - pasadena
on Comprop™ 4-Blade Performance Composite Propellers
1 answer
Answers
answer 1
THIS IS THE RIGHT PROP

COMP PROP !
Top 250 Contributor
Top 250 Contributor
answered 5 years, 5 months ago
by
ZEAKROD
 - OBX ,NC
Question

what prop do I need for a 1982 50 hp mercury

asked 5 years, 2 months ago
by
tony123
on Comprop™ 4-Blade Performance Composite Propellers
1 answer
Answers
answer 1
When switching from 3 to 4-blades, A decrease in pitch is required !

go one size smaller than you have now !
Top 250 Contributor
Top 250 Contributor
answered 3 years, 10 months ago
by
ZEAKROD
 - Sothern WV & OBX ,NC
Question

what prop do i use for a 1984 60hp evinrude?

the one on the boat has 13x17
asked 5 years ago
by
jaycraig
on Comprop™ 4-Blade Performance Composite Propellers
1 answer
Answers
answer 1
When switching from 3 to 4-blades, A decrease in pitch is required !

go one size smaller than you have now !
Top 250 Contributor
Top 250 Contributor
answered 3 years, 10 months ago
by
ZEAKROD
 - Sothern WV & OBX ,NC
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